Thursday, June 6, 2019

Why Purse a Master’s Degree Essay Example for Free

Why Purse a winners Degree EssayDue to the competitive marketing umpteen are pursuing a higher education beyond their bachelors degree. My decision to purse a insures degree has invariably been a personal goal, but with the deviate in the market I realized my bachelors degree would no longer be able or marketable in a couple of years. Many would say that obtaining a masters degree is only as valuable as how your current or future employer measures advanced education. There are many rewarding benefits of pursing a masters whether for a personal goal, vocation change, or stipend increase these are all convincing motives. This paper go away explore the various motivations that resulted in my decision to purse a masters degree. Initially a masters degree give give me the added credentials needed to pursue a promotion or public life change that I would not devour been considered for with my current education level. The norm was that a company required you to have a bachelo rs degree to be considered as a quarterdidate in the corporate world. This is no longer the case as employers are demanding candidates attain the life experience in society with a masters degree.Stronger economy and more company demands for management degrees have positively shifted the local and international market for candidates whom hold a MBA (Rebecca Kaplan (2008). pray for MBA on the Rise). This evidence confirms having a masters degree significantly increases my marketability. Since only a small percentage of people in the United States have a masters degree, holding one can put me ahead of the pack when competing for a job (Jane Porter, (2006). fancy MBA Hiring Up Again).Employers are tilt toward hiring more MBA candidates because they are looking for people with managerial and team experience (Jane Porter, (2006). Forecast MBA Hiring Up Again). These facts indicates that companies value a higher education and are impulsive to provide more opportunities, greater compe nsation packages and greater chances for promotion. In 2007 Radford proclaimed an advanced degree will provide hopeful with a better sea captain network and insights into the working practitioners.Holding a masters degree will also expand my dealledge in a specialized cranial orbit and improve performance in many areas of my work and personal life. Following this path will allow me to utilize my bachelors degree intro to gain a greater understanding and appreciation for my field of study. As a person high in conscientiousness, people may perceive me to guide to a higher level of job performance. This personality trait is a strong focus behind my plans for a masters degree.If I am going to be portrayed as person whom exerts greater levels of effort on the job, then I should have the knowledge and the degree to back my instruct and experience. Based on Jungians constitution Assessment, I am well suited for a management position. I am viewed as a person well organized who is ope n to learn new skills and updating current skills, which is a key area of interest for employers. A Master of ancestry Administration translates into salary increase, as with most fields. PayScale.com calculated the median salary by years of experience for a Bachelor of affair Administration and Masters of Business Administration in the United States As noted in the below tables masters degree holders makes an estimated 20k more in salary then a bachelor degree holder with the same years of experience. Median Salary by Years Experience Degree Bachelor of Business Administration (BBA) (United States) Median Salary by Years Experience Degree Master of Business Administration (MBA) (United States) An earnings increase is only part of the benefits. A college education enriches your life in ways that cannot be measured by dollars.Education is power, Frederick Douglass. Personally, earning a master has always been a goal. I first considered earning my masters degree recently after I r eceived my bachelors, but felt I need to take a brain muffle and experience the corporate world. After gaining eight years of work experiences I felt it was time to give it a try. Learning of my employees tuition reimbursement indemnity for the masters program I soon realized it was a win-win for me and the company. If the company is willing to invest in my education, I believe the company is softly endorsing that a masters degree is valued and expected for high-level professional.Consequently, the benefits I will receive from this degree will give me self-assurance to know that I have the collective resources of knowledge, effective decision-making and skill sets needed to be successful in my personal and professional life, (Gary Radford, (2005). Having a masters will give me a sense of future employment security and will allow me to gain qualifications that I may have missed in my originally education. The school of choice also heavily weighed on my decision. I debate for seve ral months whether online or classroom format would be suitable for me.After oration with the University of Phoenix enrollment counselor I was excited about the learning environment. I understood that taking courses online allowed the flexibility I needed to sustain a work-life balance. There was also the fact that I would be communicating with different individual who I could openly share experiences and gain valuable knowledge that can not always be taught from a book or a classroom setting. A masters degree is a good investing the evidence is clear. Yes, it will take time, dedication, and money to complete my degree, but the return on my investment is all worth the effort.In addition, the increased sense of achievement, career opportunities, new circles of friends and networks along with the new ranges of skills I will gain are some of the major reasons that confirmed my decision. Whether personal or practical, a masters degree can be both life affirming and career enhancing. A s stated by Dr Bruce Lewis, an education beyond a bachelors will put you in a better position to help your family, your community and give you the kind of life you dream of having. The more education you pursue, the better career options you will have.Ask yourself the following questions 1) Do I want more career marketability? 2) Do I want to earn a higher income? 3) Do I want to increase myself assurance and workplace confidence? 4) Do I want to enhance my current skilled set? If you answered yes to any of the higher up of, then you too need to purse your masters degree. Reference Kaplan, Rebecca. (2008). Demand for MBA on the Rise. Receive May 7 from www. thedailypennsylvanian. com Lewis, Bruce. (2002). current May 9, 2008, from http//teach. fhu. edu Porter, Jane. (2006). Forecast MBA Hiring Up Again. Received May 8, 2008 from BusinessWeek. com O.P John, The Big Five Factor Taxonomy Dimensions of Personality in the Natural Language and in Questionnaires, in L. A. Pervin (ed. ). Handbook of Personality Theory and Research(New York Guilford Press, 1990) pp. 66-110 and D. L. Formy-Duval, J. E Williams, D. J. Patterson, and E. E Fogle, A Big Five Scoring System for the Item Pool of the Adjective Check List, Journal Of Personality Assessment, Vol. 65. 1995, pp. 59-76. Radford, Gary. (2007). Received May 7, 2007 from www. fdu. edu Median Salary by Years Experience Degree Master of Business Administration (MBA) (United States) table. Retrieved May 7, 2008, from PayScale. com.

Wednesday, June 5, 2019

Factors Impacting on Nursing Care Quality

Factors Impacting on Nursing Care QualityIntroduction keep backs admit an indispensable front-line place in patient deal within the NHS. However, issues such as role ambiguity, management concerns, training deficiencies, and a limited evidence-base raise secure questions about the reference of health care nurses dispense. This essay considers some of these issues.Role AmbiguityAlthough nurses offer a wide variety of patient care services, at that place is considerable ambiguity about specific work responsibilities in some areas of care for (Goll-McGee, 1999 Rask Hallberg, 2000 Hinsby et al, 2004 Dickens et al, 2005 Needham et al, 05 Sekula, 2005). Forensic psychiatric care is a good example. In a comprehensive survey of nurses views about their job responsibilities, Rask and Hallberg (2000) found significant differences between licensed mental health nurses and registered nurses in the violence attached to key treat roles, such as assessment, medical tasks (e.g. giving med ication), and actions relating to patients daily living activities. Nurses often feel uncertain about whether they can constrict certain tasks autonomously without incurring the wrath of doctors. For example, much has been written about nurse-initiated thrombolysis for cardiac patients (Rawles, 1994 Smallwood, 2000 Smallwood et al, 2004 Kelly, 2004). patient ofs presenting at an A E unit with cardiac symptoms may benefit from nurse-administered thrombolysis antecedent to formal medical screening. This would include performing an electrocardiogram and administering a thrombolytic agent via a standard protocol. Although nurse-induced thrombolysis may significantly reduce door-to-needle times, until recently in that location was no precise definition of this role in nurse literature. Nurses are often unsure precisely what roles they are expected to perform to deal with problems want teenage pregnancy and STD transmission (Campbell, 2004). This situation is confounded by the fact that sexual health needs vary considerably across specific patient groups (e.g. human immunodeficiency virus incidence is significantly high and access to health access seemingly more limited amongst African/immigrant communities) (DOH, 2001, 2002 2005a, 2005b also see Erwin et al, 2002). The net nucleus of this haziness is that nurses may not always be entire certain of their role at critical moments, or may feel too emphasize out, in situations where immediate patient care is paramount.Workload, Time Management Training IssuesThe issue of work-related stress (Ewers et al, 2002) is directly implicated in workload time management. It is no secret that nursing staff in the UK can be overworked at times (Kilfedder et al, 2001 Hinsby Baker, 2004 Hughes Umeh, 2005). A major reason for this is the severe time constraints created by the multiplicity of tasks nurses are required to perform. The Nursing Stress Scale (Plant et al, 1992 Tyler Cushway, 1995), a standard measure of wo rk stress experienced by nurses incorporates workload as cardinal of several separate and distinct sources of stress, highlighting the importance of this factor in nursing care. The workload problem was emphasised in a recent denomination about school nursing (Martell, 2005). School nurses are heavily under resourced exactly yet face an arduous workload, more so for those working in the pubic sector. Staff shortages and a multiplicity of responsibilities means that not enough time is spent on health promotion and in the classroom. More than half(a) of school nurses report feeling emotionally drained, and work excess hours on a daily basis, several times a week. The level of stress seems to vary considerable across different nursing fields. A recent study found that registered nurses report higher levels of stress compared with psychiatric nurses especially in the absence of social support (Hughes Umeh, 2005). Then in that respect is the issue of training. Nurses in the UK rece ive extensive training before being employed to work on the frontline (Campbell, 2004). However, questions have been raised about the adequacy of existing nursing upbringing in various aspects of patient care. For example, although it has been suggested that nurses can play a crucial role in evaluating and caring for victims of sexual assault, nurses in the UK currently receive no formal training in this area (Dinsdale, 2005). Another area of training wishing is in HIV prevention. Although the Nursing and Midwifery Council (NMC) approves specific training courses for nurses in this area, universities and colleges are not compelled to offer them, Pre-registration training for nurses does not include mandatory education relating to sexual health services. Nurses working in sexual health gain post-basic education in an ad-hoc manner through working in the specialty, and by travail specialist post-registration courses (Campbell, 2004, p.169). Nurses often receive limited (if any) tr aining in the care of specific patient groups. For example, few nurses have special knowledge of the health care needs of ethnic minorities communities (DOH, 2000b Andalo, 2004). Those who by chance spend some time working in such communities may gain some of the necessary expertise, but otherwise most nurses may be uninformed in this area. School nursing is another area in which training needs are not being met (Harrison, 2004 Martell, 2005). Martell (2005) reports that school nurses often have limited access to essential training for their role.Research Evidence-based practiceAs with other branches of health care there is increasing emphasis in nursing care on evidence-based practice (Lewis Latney, 2003 Thompson et al, 2004 Ring et al, 2005). Feasible evidence-based practice requires an adequate evidence base (Lewis Latney, 2003). However scientific literature in certain areas of nursing care is often patchy, delaying the development of appropriate best practice statements that will ensure consistency in the quality of care nurses dispense across all sectors of the NHS and private sector (Hoskins, 2000 Serrant-Green, 2004). The importance of evidence-based best practice guidelines cannot be overstated. The Nursing and Midwifery Practice Development building block (NMPDU) emphasises their importance in achieving consistent care delivery across nursing sectors. Unfortunately, even where best-practice guidelines have been widely developed for nursing care, as is the case with NHS Scotland, instruction execution is often slow and inconsistent (Ring et al, 2005). Nurses rarely refer to an evidence base when making decisions about patient care (Thompson et al, 2004). For example, midwifes often fail to offer prenatal HIV testing to women for ethnic minority backgrounds, to avoid appearing discriminatory (Gibb et al, 1998), even though such testing is a standard recommendation of the matter Institute for Clinical Excellence (NICE), DOH, and Nurse Agencies Na tional Minimum Standards (DOH, 1994, 2000a). Guideline execution can be hampered by many factors including resource deficiencies, lack of training, subway to change, lack of emphasis or prioritisation, absence of local nurse leaders who can champion best-practice ideology, and resistance to change. Fulbrook (2003) notes that nursing knowledge and care often derives from more experiential and in-depth one-to-one interactions with patients, rather than formal scientific doctrine. Thus, it is questionable whether existing best practice statements, which are rooted in positivist literature, are thus appropriate for nursing care.ConclusionThe quality of nursing care patients receive may often be compromised by workload issues, training deficiencies, a dearth of an adequate research evidence base, inconsistent implementation of clinical guidelines, and poorly defined job responsibilities. It appears these problems are rather more pressing in the worldly concern compared with private s ector. A recent study of the work-related perceptions of nurses working in non-NHS facilities found that nurses in this sector reported greater levels of support, cohesion, job clarity and physical puff (Dickens et al, 2005). However, they also indicated greater work pressure. There appears to be significant variation across various nursing specialties in the importance attached to key aspects of nursing care, such as patient assessment. Furthermore, certain nursing domains, for example school nursing, suffer from severe staff shortages, a multiplicity of responsibilities, and significant training issues. Overall, nursing care in the UK appears to lack the support it needs to meet expectations.ReferencesAndalo, D. (2004) How to sell. Nursing Standard, 18, pp.14-17.Campbell, P. (2004) The role of nurses in sexual and reproductive health. Journal ofFamily Planning and Reproductive health Care, 30, pp.169-170.surgical incision of Health (1994) Guidelines for Offering Voluntary named HIV Anti-Body Testing to Women receiving Antenatal Care. London, Department ofHealth.Department of Health (2000a) Nurse Agencies National Minimum Standards NurseAgencies Regulations.London, Department of Health.Department of Health (2000b) Black and ethnic nurses midwives and health visitorsleading change a report of the Mary Seacole leadership award the first quintetyears. London, Department of Health.Department of Health (2001) The National Strategy for Sexual Health and HIV.London, Department of Health.Department of Health (2002) The National Strategy for Sexual Health and HIVImplementation Action Plan. London, Department of Health.Department of Health (2005a) Integrating the National Strategy for Sexual Health andHIV with Primary Medical Care Contracting. London, Department of Health.Department of Health (2005b) HIV and AIDS in African Communities A Frameworkfor Better Prevention and Care. London, Department of Health.Dickens, G., Sugarman, P. Rogers, G. (2005) Nurses percepti ons of the workingenvironment a UK free sector study. Journal of Psychiatric MentalHealth Nursing. 12, pp.297-302.Dinsdale, P. (2005) Pioneering nurse-led assault service. Nursing Standard, 19, p.9.Erwin, J., Morgan, M., Britten, N., Gray, K. Peters, B. (2002) Pathways to HIVtesting and care by black African and white patients in London, SexuallyTransmittedInfections, 78, 37-39.Ewers, P., Bradshaw, T., McGovern, J. Ewers, B. (2002) Does training inpsychosocial interventions reduce burnout rates in forensic nurses? Journal ofAdvanced Nursing, 37, pp.470-476.Fulbrook, P. (2003) Developing best practice in critical acre nursing knowledge,evidence and practice. Nursing Critical Care, 8, pp.96-102.Gibb, D.M., MacDonagh, S.E., Gupta, R., Tookey, P.A., Peckham, C.S. Ades, A.E.(1998)Factors affecting uptake of antenatal HIV testing in London results of amulticentre study. British Medical Journal, 316, pp.259-261.Goll-McGee, B. (1999) The role of the clinical forensic nurse in critical acre. CriticalCare in Nursing Quarterly. 22, pp.8-18.Gray-Toft, P. Anderson, J.G. (1981) The nursing stress scale development ofaninstrument. Journal of Behavioural Assessment. 3, pp.11-23.Hinsby, K. Baker, M. (2004) Patient and nurse accounts of violent incidents in amedium secure unit. Journal of Psychiatric and Mental Health Nursing. 11,pp.341-347.Hughes, H. Umeh, K. (2005) Work stress differentials between psychiatric and superior general nurses. British Journal of Nursing. 14, pp.802-808.Kilfedder, C.J., Power, K.G. Wells, T.J. (2001) Burnout in psychiatric nursing.Journal of Advanced Nursing. 34, pp.383-396.Harrison, S. (2004) School nurses pivotal to achieving health targets. NursingStandard, 19, p.7.

Tuesday, June 4, 2019

Community Health Visit: Klinik Kesihatan

Community Health Visit Klinik KesihatanAn Introduction to the Malaysian Healthcargon System just about of us redeem been exposed to the Malaysian healthec ar governing body mavin focus an otherwise, be it, private clinics or government ones, even hospitals at metres. The Malaysian healthc be brass stub be said to consist of a broad umbrella structure that encompasses the provision of healthc atomic number 18 to both urban, not to mentioni in resembling manner, the rural regions of our beloved country. In general however, it mint be classify under the public or private sector, which is rattling(prenominal) obvious in our country. The public sector which is backed financially by the government, constitutes a whopping 80% of the total health services in our country, the remaining 20%, needless to say, is provided by the private sector.The backbone, or in other words, basis of Malaysian Healthc ar, is organise on the foundations of the complementary ne cardinalrk of priva te and government clinics unneurotic with hospitals that argon avail suitable to the public. Each state of our country have their respective General Hospitals regain in the states capital. District hospitals pull up stakes be present in close to administrative districts. Health Centers (Klinik Kesihatan) pull up stakes supplement these district hospitals. Under Health Centers, atomic number 18 the Rural Clinics (Klinik Desa).Comparing the healthc atomic number 18 system in Malaysia with other first world countries such as the United States of America and the United Kingdom, the healthcare system in Malaysia is heavily subsidized by our government, in the aforementioned first world countries, treatment costs sack rocket sky high. Our government has do sure that the price the people pay for treatment from the public sector his reasonable and affordable to the majority of citizens. At least 5% of the national cypher is allocated to healthcare system exp destructionitures.Our government has listed the 8 elements of primary healthcare. To fulfill the 8 ELEMENTS, they provide these services as followsMaternal and pip-squeak HealthcareOut long-suffering services grassroots Dental HealthNutritionEnvironmental sanitationEssential drugsControl of Communicable DiseasesHealth EducationLaboratory servicesOrganization of Klinik Kesihatan Bukit PelandukKlinik Kesihatan Bukit Pelanduk is located in the state of Negeri Sembilan, Port Dickson to be even more specific. There are 12 villages in the Jimah District empyrean, and this Klinik Kesihatan is located in that location. On the 29th of July 1986, operations baffle to go on in this clinic and the clinic has served as major centre for the treatment and recovery of the Japanese Encephalities and Nipah estimator estimator ready reckoner computer computer virus infected determinationurings. The vaccination for the deadly Nipah virus. There are subsidiary clinics such as Klinik Desa Chuah under the juris diction of Klinik Kesihatan Bukit Pelanduk that provides the aesculapian barricadeup services such as maternal and child healthcare services.Klinik Kesihatan Bukit Pelanduk is as well as located indoors the rung of 30 km from the Tuanku Jaa f dodgehermost Hospital and the Port Dickson Hospital in Negeri SembilanOganisation ChartCommunity nurse Public Health assistant U19 (6) U17 (1)Alto placeher there are 33 staff workers.Klinik Kesihatan Mantin is headed by an Administrative Doctor, who is directly responsible to the District Health Officer. Under the Administrative Doctor are two posts, which are the Assistant Medical Officer, and the Head Nurse. The Head Nurse is an authoritative figure, there are 7 components of the staff directly under her, which are the Assistant p defameaceutic move outicer Medical Lab Technician, Assistant Medical officer, Senior Community nurse, Public Health nurse, Health nurse, and the Trained nurse. Under the Senior Community nurse would be the Community nurse, and the Public Health assistant.Components of Health Services.The Klinik Kesihatan Bukit Pelandok has 6 main departments which are the Outpatient, Maternal and Child Health, Pharmacy, Laboratory, Dental Health, and Emergency Department. The resist through(p)patient department is by far the biggest service r annihilateered to the public and can be broken down in the diagram belowThe tabupatient department consists of the diabetic, hypertension, mental health, healthy teen and out patient clinic. The out patient procedures of obtaining medical services is shown in the diagram on the left.The outpatient department in other words, social occasions as the primary healthcare clinic. It is headed by an executive director doc( Medical Office). The out patient clinic sees an estimated 100 patients every single day. And the head nurse and assistant medical officers will do their utmost best to suffer out their respective responsibilities to assist the Administrator doc tor in all duties relevant to them.The Maternal and Child Health Clinic is headed to astoundher by the administrator doctor and the head nurse. This helps in reducing the workload of the administrator doctor. The head nurse together with the staff under her will such as community nurses, will conduct frequent basis visits and provide antenatal check-ups for pregnant women indoors that area.Diagram on the left shows a brief summary of Maternal and Child Health services.The Laboratory Department, which is headed by a medical lab technician. The medical laboratory is not as well equipped as those major hospitals, indeed the Laboratory Department of Klinik Kesihatan will collaborate with the Laboratory Department of the Tuanku JaafarHospital such as urine protein tests, thyroid function tests, lipid pro agitate and renal function tests.Diagram on left shows a brief summary of services provided by the Laboratory Department of Bukit Pelandok.Another most-valuable component of Klinik Kesihatan Bukit Pelandok. After consulting the medical officers, patients who are eligible for prescriptions, will have their medication prescriptions handed to the assistant pharmaceutical officer, who will then supply the patients and inform them of the usage of the medication.Klinik Kesihatan Bukit Pelandok also has a dental department, the dental functions under the same operational hours of the clinic. Tooth extraction, filling, scaling, whitening are provided services. Major oral surgeries however would be referred to the Tuanku Jaafar and Port Dickson hospitals.Last alone not least, there is also an Emergency Department, this department is equipped to handle minor emergencies, it also has an ambulance and paramedics.The bar chart on the left shows the ethnicity of the total number of patients in 2010.Services Provided by Klinik Kesihatan Bukit Pelandok.I have already stated the various departments of Klinik Kesihatan Bukit Pelandok in the Components of Health Services provid ed section.The departments of this clinic provides a wide range of treatment modalities, therefrom allowing the clinic to ensure that patients enjoy telling treatment.The outpatient department is the most busy of all the departments. The purposes of the outpatient department are to provide immediate treatment to patients who are acutely or chronically sick, and also to act as a control for the clinic against infective disease such as Tuberculosis. Klinik Kesihatan Bukit Pelandok also provides the Tuberculosis Direct Observed Therapy Short-course treatment. contemptible on to the Maternal and Child Health care department, the clinic mainly foc handlings on prenatal, antenatal, not to forget postnatal care of both the mother and foetus. There is a target to be achieved, which is the target of zero maternal deaths. They are accomplishing this target in a certain number of government agencys which include immediate diagnosis and treatment of pre-eclampsia, immunization of the mothe r and frequent antenatal check-ups up until the estimated delivery date. There are also activities scheduled by the department for disabled children on a case by case basis.For the Laboratory Department, their main role is to enable the clinician in conducting relevant laboratory studies that will help in the diagnosis and management of the disease. The Laboratory Department allows the clinic to receive results much faster compared to the sequence it takes to receive results from a nearby hospital.Some common tests conducted by this department are as followsBlood tests for HbA1c, lipid profile, platelet count, ESRLight micros imitate on source smears to detect blood disorders such as anemia, or parasites in the blood smears.Urinalysis for toxins, glycosuria, urea and red blood cell casts.Pregnancy testOther more intricate and complicated tests such as FTA-Abs for treponema pallidum, would require samples to be obtained and sent to the Tuanku Jaafar or Port Dickson General Hospital for processing.The pharmacy is responsible for dispensing medication in safe and legal amounts to patients, and to advise patients on practicing compliance in taking their medications. Patients will also be counseled on the side effects and contraindications of the drugs.ReflectionsFrom observing the complex structure of roles and responsibilities held by the distinguishable components and departments of Klinik Kesihatan Bukit Pelandok, it brings to light the vast prize of this particular clinic in the provision and primary healthcare of the residents in Bukit Pelandok.Many of the patients who visit this clinic are of the Malay ethnicity, I for particular, am one who is not facile in Bahasa Melayu compared to the English spoken language. I learnt that this could be a barrier in communicating with patients who can tho speak the Malay language. I have firm that I will brush up my Bahasa Melayu, and manipulate a few of the colloquial terms so that next time I would be able to hap even better in the Malay language.This clinic visit has taught me that every component of the staff has a part to play, and has managed to teach me invaluable lessons of becoming a team player.Section II Ho theatrical rolehold SurveyIntroductionBukit Pelanduk is most famous for the Nipah outbreak. Prior to the outbreak, during the 90s, it contain the bigheartedst pig farming communities in Southeast Asia. In between October 1998 and May 1999, that was the darkest time in Bukit Pelanduk recent history, there were approximately 104 deaths out of 258 cases of Nipah infected patients.Towards the Chinese new year in the center of attention of litigate 1999, a pig breeder from Sungai Nipah, which is located south of seremban, died suddenly triggering massive panic. Nearly half the creation of the village migrated elsewhere out of fear towards the grampus disease. The virus circle like a raging wildfire out of control causing many pig farmers not to mention villagers to abandon t heir farms and homes in panic. By March 1999, Bukit Pelanduk had sustain aboutthing like a g host town due to the mass exodus.The ministry of health then decided to raise the level of this epidemic to the level of national crisis. A Cabinet-level task force was set up, and then headed by the then Deputy Prime Minister Abdullah Ahmad Badawi. What was confusing was that at that time, the government adamantly insisted that it was right in checkging the disease as Japanese Encephalities, however both farmers and scientists opposed this theory and suspected that it was a different strain or virus altogether.The virus then opening to Kampung Sawah, Kampung India and even Sepang. Farmers consulted temple mediums, and promptly put up red banners at the mediums advice in and around their ho use of goods and servicess to ward off the angel of death.After months of futility in treating the outbreak as Japanese Encephalitis, the government in the leftover decided to call in the Departmen t of Medical Micribiology of University of Malaysas medical faculty for help in dealing with this disease. Dr Chua Kaw Bing was the doctor who managed to isolate the virus in five geezerhood. 12 days later, it was identified as a new Hendra-like virus and tagged as Nipah.Over one million pigs, or half our contrys pig population at that time, were culled. Around 36000 ppl suffered unemployment due to the destruction of farms. According to the United Nations sustenance and Agriculture Organization, it is estimated close to RM 500 million of pig production was lost.Today, pig farming is no longer allowed legally in Bukit Pelanduk. Since the outbreak, the untried had drifted elsewhere in search of a living. Only the old remain, to live out their days.ObjectivesThe bearings of the study areTo describe the social demographic of communityTo identify vectors and pestsTo comprehend health exploreing behaviourTo determine the housing conditionsTo understand food, nutrition and health aw arenessTo determine working environmentAnd to determine the noesis, attitude and practices on breakbone fever febricity among the community.methodological systemal analysis (Methods and Materials)The household group consisting of 15 members. We met up in the lead going to Bukit Pelandok in IMU to discuss our strategies and to plan ahead before the Bukit Pelandok visit. Household questions and objectives for the Bukit Pelandok visit was meticulously discussed and great care was poured into the formation of our questionnaire. The questionnaire was in the English language and pretested to make sure no discrepancies arose when certain terms were utilize. After countless hours of discussion we finally agreed on a descriptive cross-sectional study upon the target population which were the residents of Bukit Pelandok.Due to obvious time constraints, not to mention logistical ones, the art of the convenience sampling technique was called to the fore with households being identified as the basic unit of due analysis. The pursue was conducted over 2 working days around the 7 housing areas within a five kilometer radius which are as followsKampung SawahKampung PachitanKampung JawaKampung CinaKampung IndiaRumah Rakyat Taman Bayan or so of us were well conversant in English as well as the Malay language, and we were able to translate all of the questions confidently into Mandarin as well. As names and specific home addresses were not included as part and parcel of the questionnaire, we managed to obtain consent of participants as well as guaranteeing their anonymity and confidentiality of their responses in the survey.To display the results in an photogenic and efficient manner, descriptive statistics were employed in the formulation of the results which would be put under the results chapter. Formulation of results in this survey was done with the SPSS 18 architectural plan together with the dedication of the data entry and analysis team.The following is a brief summary of the studyStudy location Bukit Pelandok, Negeri SembilanStudy plosive 17-18 February 2011.Total population of Port Dickson 90 000 peopleTarget population Community in the 7 areas mentioned above.Sampling technique Convenience sampling techniqueSample coat 234Basic unit of analysis HouseholdStudy design Descriptive cross sectional studyStudy instruments Pre- write in coded and pretested questionnaires in the English language via impudence to face verbal oppugns. Data entry and analysis SPSS 18Operational definitionsResultsTable 2.2 above shows the literacy level of respondents. For the male population, 50 out of 79 males ,63.29 % are literate whereas for the female population, 108 out of 155, 69.68% are literate. Women have a higher literacy level than men it appears.Figure 2.3Figure 2.3 shows that the most common occupation of respondents are housewives, 108 out of 234, or 46.15%. the second most common occupation is the skilled manual/clerical which stands at 38 respo ndents, or 16.24%. Only 5 of the respondents were students, representing entirely a meager 2.14%.Figure 2.4Figure 2.4 shows that the most of the respondents have a monthly household income of around RM 1000-RM1999 which was 84 out of 234, 35.90%. There were 11 respondents, 4.70% who were of the highest income support (RM 5000)Figure 2.5Figure 2.5 above shows that majority houses in Bukit Pelandok are of the detached type, 65.81%.Figure 2.6Figure 2.6 shows that 53.2% of houses are made out of brick whereas 39.5% and 7.3% are made out of brick and wood, and wood respectively.Table 2.3 The Housing Characteristics of Respondents in Bukit Pelandok (n = 234)Table 2.3 shows that 97.9% of the houses have 24 hour availability of electricity whereas 98.7 % have availability of piped water supply. Garbage parade facility was low as only 46.2% of the houses had that facility. Availability of a proper sewage system was high too at 85.9%.231 out of 234 respondents did know where the nearest h ealth clinic was, a 98.7% majority of them. 219, 93.7% of them claim they will seek medical assistance if sick. 70.5% would choose the government clinic for medical assistance whereas 26.9% will go to seek medical assistance from a private clinic.DiscussionFrom Figure 2.3, the bar chart shows that a huge number of respondents are housewives. This is because the time we carried out the survey was during office working hours. Hence most respondents who were the most likely to be at home during this period of time tend to be housewives.From Table 2.3 more than half of respondents claim that they do not enjoy proper garbage collection privileges. When we asked more about garbage disposal practices in that area, we found out that about once a week, rubbish is brought to a place designated by the village chief (ketua kampung). There the rubbish is either burnt or buried. If villagers retrieve that this is a complicated process, they would burn or bury their own rubbish in their own backy ards.From Figure 2.4, the majority of respondents household income can be comprehended to be below the RM 2000 mark. Most of the residents of this area belong to the skilled/ unskilled manual field of profession as stated in the operational definitions, and so their income is lower.LimitationsWhile conducting the study, the survey team realized that we ran into some(prenominal) limitations. That was inevitable. And we will list it down below.The first limitation encountered by our team was the coverage in the area of our study. A limited area makes it difficult for any study to be effectively correlated and to allow for generalizations to be made.Certain questions in the survey were not specific for respondents such as the awareness of job related risks. If the head of household is not there to answer the questionnaire, the respondent might not be able to give a very accurate answer. Therefore certain conclusions about the population of Bukit Pelandok could not be accurately deri ved.There were variations between the way interviewers would ask the questions. Hence there might be a slight discrepancy between explanations of questions and answers from one interviewer to another. This means that the standardized understanding of questions by respondents would have been slightly affected.The reliability of the information provided by the respondents is very hard to verify also. We depend on truthful answers and had no concrete way to validate some(prenominal) the respondent answered. There were instances also where non responses were encountered.During the survey there were also noticeable language barriers between interviewers and respondents. There was an instance where an Indian lady could only put across well in Mandarin, hence the Malay interviewers would have had a real difficult time if not for his Mandarin-speaking partner.ConclusionBukit Pelandok is an area where the residents put more trustingness in western medicine and most of them will seek medic al treatment and advice from the Government Health Clinic. Local authorities need to beef up their services and improve garbage collection facilities among this area to check air pollution which results from open burning.ReflectionsI feel that this project has taught me some very important lessons and even practical skills, for example, in the entering and formulation of graphs and tables by the SPSS 18 broadcast. This will help me in my future career as a medical doctor in the world of medical presenting, teaching and learning.This project also gave me an experience of conducting a household survey together with my batch mates, we learnt how to delegate and postulate out our respective responsibilities as a team. We also managed to learn from our mentors on how to facilitate this type of household survey search.Section III-Research ReportAbstractThe objectives of this research survey conducted were to investigate the social status of the community and the knowledge, attitude and practices (KAP) on breakbone fever among rural communities in Bukit Pelandok, Negeri Sembilan. Convenient sampling was used as time was a major limiting circumstanceor. 234 and 250 people participated in the household and research survey respectively. Participants age were 18 years old and above, had the ability to converse and communicate in the Malay, English, and Mandarin language, resided permanently in the area, and holding a Malaysian citizenship. In our survey, we used a pretested, precoded, and well structured questionnaire in the English language for data collection via a face to face interview with participants.IntroductionAccording to the WHO, the Dengue virus is transmitted through infected Aedes mosquitos with any single one of four dengue viruses when it bites a human being. This virus is more prevalent in the tropical and sub-tropical areas on Earth. After an infective bite, symptoms buzz off presenting within the next 3-14 days. As the name dengue fever implies, it is a febrile illness that affects humans in all stages of life be it infants, young children or adults.The symptoms present with a wide range from a mild fever, to an immobilizing high fever, which is usually accompanied by severe headaches, muscle, joint distract and the occasional bout of rashes. Up to the present day, sadly, there are still no specific antiviral medicines to battle dengue. Hydration is of utmost importance when managing a patient with dengue fever. Aspirin or non steroidal anti-inflammatory drugs are not recommended for the treatment of dengue fever.The most widely feared complication is the dengue haemorrhagic fever which is accompanied with fever, abdominal pain, bleeding and vomiting. It is potentialityly lethal and usually this complication affects children. Prompt clinical diagnosis and meticulous clinical management by see doctors and nurses usually increase the rate of survival of patients.Over the past decade, dengue has emerged as one of the most com mon mosquito-borne viral disease among humans. On a global scale, an estimated 2.5 billion people reside in areas where the dengue viruse can be easily transmitted. From a geographical point of view, the spread of both the vectors (Aedes mosquito) and the dengue viruses has led to a resurgence globally of an epidemic dengue fever. Together with this epidemic, there is emergence of the dengue hemorrhagic fever (DHF) in the past suck up of the century.The main vector of dengue is the Aedes aegypti there are four different but related viruses that cause dengue. The recovery from infection by one type will provide lifelong immunity only against that particular serotype. In other words, it means a human being can be infected by another serotype of dengue virus for a subsequent time.Dengue Hemorrhagic Fever was first identified during the 1950s in the Philippines and Thailand when those two countries experienced dengue epidemics. Around 1970, about nine countries had witnessed the DHF ep idemic and continues to rise in our present day. All four dengue viruses are endemic in the Americas and Asia and has become one of the leading causes of hospitalization and mortalities among children in a few of their countries.Until now, vector control is the most widely used method for the dengue and DHF bar. broad(a) research on dengue vaccines are still being conducted.Literature Review.A number of literary productions reviews provided me with a very handy guide to the socio-demography and KAP regarding dengue among the community of Bukit Pelandok, Negeri Sembilan. Since i had limited time to conduct the research, the literature reviews gave me an overview and acted as a stepping stone to getting the research report together. Even for professionals, literature reviews are useful reports that keep them updated about what is watercourse in their field.4 diarys from the internet and online journal communities were reviewed before writing this report. This included studies on KAP among the adult population in Malaysia, Thailand and Myanmar. The quality of the journals was merely acceptable as most of them used convenience sampling. Only one journal used a cross sectional multistage sampling, this was the journal regarding Dengue-related Knowledge among Caregivers in Myanmar.From these journals, the group conducting the research managed to fine tune the questions in the questionnaire that was used so that the answers would be helpful and informative.According to the journal by Dr Farizah Hairi, out of all of the 200 respondents surveyed in Kuala Kangsar, only one had never heard of dengue. And the main source of information came from the television or radio. 88.5 % of the of the respondents thought that the cause of dengue was mosquitoes whereas only 2.5% knew it was the dengue virus to be exact. Out of these 200 respondents, only 91 could name Aedes as the type of mosquito that could transmit the dengue virus.The knowledge on the Aedes mosquito was quite poor. Only 25 percent of the respondents were able to mention that covering the stored water as a prevention method. The costly tidings was that 192 (96%) of the respondents understood that presence of Aedes larvae in their residence was against the law. The practice of dengue control , the most common forms of prevention were using mosquito coils together with insecticides. Majority of respondents (96%) did dispense the dengue virus as a very serious disease. All of the 200 respondents stated that they would seek treatment if they were infected with dengue. Out of the 200, 192 which is a large proportion felt that prevention was better than cure.90.5% of the respondents support classmes or activities which are organized by the health authorities targeted at the elimination of Aedes mosquitoes. 91% of respondents too felt it was justified to punish those guilty of harbouring Aedes larvae in their residence. Based on the type of scoring system used which was described in the met hodology of that particular journal, 68.5% of respondents possessed good knowledge of dengue and Aedes, whereas 91.5% had a positive attitude towards dengue control. What was disappointing was that only 51.5% of respondents actually adopted measures to prevent and control dengue and its vector.Research QuestionThe following is the main research question that all the questions in the questionnaire are helping to answer.What is the current level of knowledge, attitudes practices for prevention of the Dengue virus among the semi-urban community?ObjectivesGeneral objectiveTo assess the Knowledge, Attitude and Practice on Dengue among the Bukit Pelanduk community.Specific ObjectivesTo determine the level of knowledge of the topical anaesthetic communities on DengueTo appraise the attitude of the local communities towards DengueTo describe the practices taken by the local community to prevent Dengue infectionMethodologyFor the KAP of dengue research survey, we used a cross-sectional stu dy in Bukit Pelandok. Type of sampling used was convenience sampling.The sample size of the study was targeted at 250, we managed to hit that mark.A pre-tested and well structured questionnaire on KAP of Dengue was used.The household survey was carried out within the range of a 5 km radius around the Bukit Pelanduk Health Clinic which included-Kampung Chuah-Kampung Sawah-Kampung Pachitan-Kampung Cina-Rumah Rakyat-Taman BayanFrom the 14th to the 16th of February 2011, we did some brainstorming to finalise the topic and questions. After that we sent the questionnaires for printing. 2 members of the group were sent to Bukit Pelandok to check out the area before the day we went to conduct the research.We then had to divide determine the criteria of interviewees which would be fit for selection to answer the questionnaires. The criteria the interviewees must fulfil is that they be above 18 years old, a resident of that household, and a Malaysian citizen.Our questionnaire had 4 main compo nents which included socio-demographics, knowledge, attitude and practices.The medium used to conduct the interview were the Malay, English, and Mandarin language.On the 17th to 18th of February 2011, we proceeded to the execution of the research study. We divided the research group into 13 pairs. On the 1st day, we covered areas within base on balls distance, which was as far as up to Kampung Cina and Kampung Sawah.The 2nd day , we were dropped off by group members who had cars and managed to cover further areas as far as up to Taman Bayan and Chuah.As like the previous household survey, there was a constitute emphasis placed on obtaining consent from respondents of the survey as well as maintaining their anonymity and confidentiality of any of their responses to the survey.The descriptive statistics program, SPSS 18, was employed in the formulation of the results of the survey. The SPSS 18 greatly helped in data entry together with analysis. A P-value of less than 0.05 was used t o prove the validity of the collected data unless otherwise stated.The scoring system used is as follows.Knowledge 10 vital questions 7 correct wakeless knowledgeAttitude 6 vital questions 4 Yes GOOD attitudePractice 7 vital questions 4 Yes GOOD practiceThere were some protocols that we followed to reduce bias or error while conducting the interview. We did our best to avoid suggestive questions, and the questionnaire was pretested among our own group members. There was a briefing held to convey the standardisation of questioning. House trysts were done to prevent overlap and we tried our best to extensive coverage of Bukit Pelandok. Our group also double checked the SPSS data after input.ResultsSocio demographic dataGenderFigure 3.1 shows the gender of respondents .60.4% and 39.6% were female and male respectively out of 250 respondents.Age groupFigure 3.2 shows the age group of the respondents, a majority, 40.4% were middle aged.EthinicityFigure 3.3 shows theMalay ethnicity is59.6%, the majority.Figure 3.4 shows the educaLiterature Review Methods Of computer virus ProtectionLiterature Review Methods Of Virus Protection data processor viruses are most unfavorable area in computer science. All computer users in the world are suffering from this threat. Viruses reproduce themselves and spread through computer to computer as well as network to network. There are some antivirus bundle and some best practices to prevent from computer viruses. As well as this literature review contains the present situation of computer viruses, nurseion from computer viruses and how new antivirus computer software performs on computer viruses.endabstractsectionIntroductionThe only secure computer is one thats unplugged, locked in a safe and buried 20 feet under the ground in a secret locationDennis Huges, FBI bulge outsloppyparendsloppyparThe above statement shows the current security situation of computers and the role computer viruses play in computer world. take offs loppyparendsloppyparComputer virus is a program that can execute itself with the help of another infected viable program without knowledge of computer user and infect to computer. Viruses usually copy itself in current host and another new host also. So generally viruses are infecting to viable files. Some kinds of viruses only reproduce itself within the current host and from the current host to another host and spread in the host. Those are harmless than viruses that damage to the computer program, activities and data in the computer. vexsloppyparendsloppyparBut there are some other malicious software other than the viruses. Those are called malware. These malicious software can spread without help of possible program. producesloppyparendsloppyparComputer viruses are also computer programs. So anyone who has a personal computer can create a virus program with few lines of codes. This means birth places of viruses are widely available. Also a virus is activated in host computer the infection can spread through network (LAN or Internet) to other computers. drawsloppyparendsloppyparVirus attaches itself to other program and spreads with them. Most of the time virus attaches to possible program, when the infected executable program is running then virus is also executing behind that process. Also computer viruses can infiltrate to operate system. So all operating systems like MS Windows, PC Dos, Unix and Macintosh OS have probability to infect with viruses.beginsloppyparendsloppyparSome viruses do some destruction as soon as they enter a system. But some of others are programmed to lie dormant until activate by some signal. The signal may be mouse click, specific date, time or specific common sequence of keystrokes. As an example the famous Michelangelo virus, it is set to activate his birthday March 6.beginsloppyparendsloppyparProtecting the computers from the malicious software is the most challenging thing. But there are many ways to comfort the comput ers from computer viruses. Although there are lots of methods to protect the computers from viruses, the computer users also have a responsibility to protect the computers from computer viruses. From the next section of review is considered about different types of Malware. boot1newpagesectionDifferent types of MalwareThere are different types of Malware spread in computer world. But it can mainly identified as follow.beginperiodize distributor point Viruses peak Wormsitem Trojan Horsesitem Logic Bombend countbeginfigurehparincludegraphicsbb =0 0 100 325 virus.pngcaptionMalware Growth by Year bear on10parendfigurenewpagesubsectionVirusesVirus is block of executable code that is attached itself to another executable program by attaching external code, overwriting or replacing of the executable program code. When the computer user execute the infected program the automatically activate virus also by executing the hide block of code. This is the way how virus is infected to computer without knowing of user. But viruses get help from computer user to spread in his machine.beginsloppyparendsloppyparThere are some(prenominal) types of viruses they are categorized into various categories according to the way how they infect to system and what part of system is. Figure1 shows how Malware growth with year. It clearly show increase of Malware in year by year. cite1,5beginitemizeitem Boot sector virusesitem Macro virusesitem File infecting virusesitem Polymorphic virusesitem Stealth virusesitem Multi-partite virusesitem Resident virusesitem ally virusesitem FAT virusesenditemizesubsubsectionBoot sector virusesBoot sector viruses are infected to the boot sector of computer otherwise master boot record of computer. Boot sector viruses are very difficult to detect because the master boot sector is the first thing loaded when computer started. So if this virus effect to computer, the virus get fully control of the machine.beginsloppyparendsloppyparWhen boot sector virus infect to computer, they first scat or replace the original boot code with infected boot code. Then the original boot code move to another sector of on disk and labeled that part as bad sector. So it will not use in future. The important thing is 75 per cent of viruses attacks are reported from boot sector viruses. The main and only way computer can infected with this virus is boot computer using infected disk. So some modern anti-virus software is designed to check infected disk, when boot using disk and before boot strap is loaded.cite1,2subsubsectionMacro virusesIn deliberation large virus is virus that is crated using big language. Macro language built into software such as word processor. So macro viruses propagate with applications which are used macros. In most of the time macro viruses infected with MS Office Word,MS Office Excel. However many of windows applications have to potential infected macro viruses too.beginsloppyparendsloppyparBecause some applications allow m acro program to be embedded in documents. So when the document is opening the macro run automatically. Also macro viruses spread rapidly because of peoples share data, documents and also use internet to get data and email document. Therefore Microsoft suggests opening file without macros or user can verify there is no damage macro with the document. But these methods are also not worked at all macro viruses.cite2,3subsubsectionFile infecting viruses File infecting viruses are infected to flies, and sometime they are allocated memory of computer. Files infecting viruses are infected with executable files, but most of the time it infect to executable files with extensions .COM, .EXE and .OVL.beginsloppyparendsloppyparConsider with boot sector viruses these are easy to detect. If the file infecting virus infects to some document, usually it increases the size of the file. Therefore Anti-virus software can detect those viruses using that feature.cite1subsubsectionPolymorphic virusesPoly morphic viruses are change there appearance in each time when it infect to computer. So it is very difficult to detect theses type of viruses.beginsloppyparendsloppyparPolymorphic viruses also block of programming code, so they are encrypting there code using different algorithms every time they attack to system. Some polymorphic viruses can assume over two billion different guises. Therefore anti-virus software should make with good algorithmic scanning techniques instead of simple string based scanning techniques.cite1,4subsubsectionStealth virusesStealth virus is a virus that hides its track after infecting to system. These types of viruses also try to hide from operating system and Anti-virus software. Therefore stealth viruses always stay in memory then they can intercept all attempts to use the operating system.Therefore these viruses waste memory available for user and hide it form both user and Anti-virus software. It hides changes it creates to files, directory structure an d operating system also.beginsloppyparendsloppyparWhen detected theses type of viruses using Anti-viruses software, then first it should disable the virus before correct the memory location in memory because stealth viruses also stay in memory.cite1,6subsubsectionMulti-partite virusesMulti-partite viruses infect both boot sector and executable program. Therefore this type of virus very difficulty detected.cite1subsubsectionResident viruses lasting viruses reside in the RAM.cite7subsubsectionCompanion virusesThese are working like resident viruses or direct action viruses.subsubsectionFAT virusesThese infect to the file allocation table.subsectionWormsWorms is a self-replicating computer malware type. It spread copy of itself to other host using computer network. Worms different than viruses how the reproduce and spread. It was known viruses want host program or boot sector to activate it need file transfer (infected file) to another computer to spread to it. But worms did not want a ny host files to execute and they can execute independently and spread using network. Therefore they normally find addresses to propagate and they pick addresses in three ways,beginitemizeitem Randomly generate addressesitem Find addresses in system tablesitem Find addresses in a programenditemizebeginsloppyparendsloppyparThe threat of worms is equivalent to that of viruses. Computer worms can damage and destroyed some important files and it can crash critical programs to stop working sometime. The very prominent examples of worms are the MS-Blaster and Sasser worms.cite1,2,8subsectionTrojan horsesTrojan horses are distractive programs that hide in some valuable and useful software in internet. Some time worms and viruses hide within Trojan horses. The different between virus an Trojan hours is Trojan did not spread itself.beginsloppyparendsloppyparNormally Trojan hours spread into two parts those are client side and server side. When the client Trojan executes in computer the serve r the attacker otherwise server can get high level control of the client computer.beginsloppyparendsloppyparThe Trojan hours spread in several ways, most of the time with infected electronic mail attachment. Also virus developers use some chat program like Yahoo messenger, Skype to spread these Trojans.beginsloppyparendsloppyparCommonly there are several types of Trojan horses like remote access Trojan, password sending Trojan, key loggers, destructive Trojan, FTP Trojan and proxy Trojan.cite1,9subsectionLogic bombThe logic bomb virus is a piece of code that are inputted into a software system. When a certain and specific condition is met, such as clicking on an internet browser or opening a particular file, the logic bomb virus is set off. Many programmers set the malicious virus off during days such as April Fools Day or Friday the 13th. When the virus is activated, then various activities will take place. For example, files are permanently deleted.cite1,10newpagesectionHow virus es spreadVirus is one kind of malicious software which does some kind of harm to the activities of the computer. They always need a host program or any executable program to be executed its code. As viruses cannot execute its code by itself, the virus has to get the help of another file. Because of this reason, the viruses can effect only to several kinds of files such as html files with JavaScript, word documents and spread sheets. As the files with the extension .gif, .jpg,.wav,.mp3 files considered as pure data files, a virus cannot do a harm to these files.beginsloppyparendsloppyparWhat the viruses do to spread is copying its code to another executable file. Then when that executable file is executed by another person the code of the virus is also executing and it then starts to search for files it can reside in the same computer or in the other computer which has been connected to the computer. Then the newly attacked programs are also trying to search for files which it can at tack. If the infected file sends to another computer by a dismissible media, the computer virus infects to that computer too.beginsloppyparendsloppyparThere are number of ways which a virus can enter into a computer. Most of the time viruses are spreading through the internet. As creation of viruses is rapidly increasing and internet is everyplace available, spread of the computer viruses has increase more and more. Computer viruses are coming to the computer with e-mails in e-mail attachments. When the user opens the e-mail, the computer virus enters into the computer and grows in the computer. Another way of entering a virus into a users computer is by downloading something from some web sites. Through floppy disks or another removable media, it is possible for a virus to enter into a computer.cite1sectionWhat the computer viruses and other malicious software can and cannot dobeginitemizeitem use up disk space by the computer viruses in vain.item Delete or modify the content of the infected files.item Interrupt to some operations of the infected computer.item present some messages or images.item Decrease the performance of the computer.item Block the computer networks.item Do not do any harm to the ironware components that are connected to the computer.enditemizesectionProtection from computer virusesOnce a computer infects with some computer viruses, the computer users cannot identify whether a computer virus has entered into the computer or computer system as some computer viruses are in idle mode for some period of time. The computer users can know that a computer virus has entered into the computer only by looking at the evidence of the destruction they have done. So the computer users must always consider about the safety of their computer before a virus do some destruction to the computer.beginsloppyparendsloppyparAs most of the computer users are now aware of the computer viruses, they specially pay their attention to limit the chance for a comput er virus to enter into their computer. By just installing an anti virus software the users cannot give the responsibility of defend the computer from computer viruses only to the anti virus software programs. The computer users also have the responsibility of protecting the computer from computer viruses. Although most of the computer users trust and use an anti virus software to protect their computers from computer viruses, there are best practices which should be followed by the computer users.beginitemizeitem When downloading software or any other thing from web sites the users should always be careful to download them from reliable web sites.item As viruses can come with e-mail attachments when the computer user checks the e-mails, messages from unknown contacts should not be opened.item If the user is logging into the computer with admin privileges, the chance to be infected by some computer viruses or malware is great than the user log into the computer with user privileges . As some viruses cannot enter into the computer when the user logged as a user, log into the computer with user privileges is safer.item Restrict the other users from write privilege is another option.item Put passwords that cannot be easily guessed by another person.item Backup data.item Use only trusted software.enditemizebeginsloppyparendsloppyparHow much the company or person has to pay for an anti virus software, today most of the computer users are used to get the service of an anti virus software as the data are worth than the amount they pay to protect their computer or computer system. So installing an anti virus software program has become the most popular and reliable method of protecting from computer viruses. cite14newpagesubsectionComputer virus protection with anti virus software programsAs computer viruses are available everywhere in the world, the better way to protect the systems is installing an anti virus software in them. Because of that reason, there are lots of anti virus software providers to provide their services to the customers. Various anti virus software providers are providing their service to the customers in various ways. They are client pull method, provider push with consent method, subscription method and care taking method.beginsloppyparendsloppyparClient pull method After a request from the client or customer for the service of an anti virus software, the service provider provides their service to the client. In this method as its name said, client should take the initiative to get the service.beginsloppyparendsloppyparProvider push with consent method The service providers sends email notification about their product and then the customers download the anti virus software and install it on the computer.beginsloppyparendsloppyparSubscription method The client agree to an agreement with the service provider. In this method when the vendor updates the anti virus software, the updates will automatically downloaded into t he customers computer.beginsloppyparendsloppyparCare taking method In this method none of the individual computer user should not do anything to protect the computer from viruses. The service provider provides the service as a whole.beginsloppyparendsloppyparThe mechanisms used by various kinds of anti virus programs to detect a computer virus is not able to catch all the viruses or not able to not to catch the non virus things. Traditional anti virus software used two methods to detect a computer virus.cite15,16subsubsectionString coordinated techniqueSome anti virus providers stored the codes of the computer viruses in a virus dictionary and when performing a scan, the anti virus software searches the scanning file for a piece of code from the virus dictionary. If a matching character is met, then the anti virus software detects that file as a shady file and alerts the user saying there is a suspicious file in the computer.beginsloppyparendsloppyparBut if a virus creator create s and release a new computer virus, as the code of that virus is not available in the virus dictionary, the anti virus program is not able to detect that virus. So the anti virus software which use this technique cannot guarantee that all the computer viruses can be detected by itself.cite17subsubsectionDetecting a virus by monitoring the port of the programThe anti virus programs which use this technique is monitoring the behavior of the scanned program and if there is an unusual behavior, the anti virus program detect it as an infected program and report it to the user.beginsloppyparendsloppyparBut if the anti virus software detect a non infected program as an infected program and after reporting it to the user if the user deletes it from the computer, a problem arise.beginsloppyparendsloppyparAlthough the anti virus software can be trusted, there are some fake anti virus software which do not provide a protection against computer viruses. They have created only with the objectiv e of earning money from the computer users by intruding them. Because of this reason, the computer users also have the ability to download and install only the trusted anti virus software.cite17subsectionAntivirus software ratingThe latest antivirus software rates in the world.cite11beginitemizeitem BitDefender Antivirus 2010 This provides a great security, simple usability, effective use of resources, and a valuable pricetag and provides up to date technologies to combat viruses and other malware.Active virus control is the latest technology they are looking for to give a great security by always observing the behavior of a file. cite19item Kaspersky Anti-Virus 2010 All around protection from number of threats like viruses, Trojans, bots, worms, and spyware. This is more easy to use as it has created with user friendly navigations. cite20item Webroot AntiVirus with SpySweeper 2010 A comprehensive desktop anti virus package which is used a multi-layered approach.Webroot AntiViru s with Spy Sweeper also features proactive technology to find malware before it does any harm to the computer. cite21item Norton AntiVirus 2010 neat protection level against malware but a problem arises when uninstalling the software as its partial ninstallation. This uses traditional signature based detection mechanism to detect malware. cite22item ESET Nod32 Antivirus 4 Kind of desktop anti virus software. But this doesnt provide a complete security and misses some protection. This is not in the competition with other anti virus software. cite23item AVG Anti-Virus 9 Includes antivirus and antispyware protection. provides complette protection from harmful downloads and web cites. cite24item F-Secure Anti-Virus 2010 peachy desktop anti virus. Has one of the most effective scan procedure and test results are shown to prove that. When installing this anti virus software, it has been automatically set up to remove the other anti virus software installed to the computer. cite25it em G DATA AntiVirus 2011 Uses two distinct antivirus scanning engines, behavioral/ trial-and-error protection, and even self-learning fingerprinting.This provides protection against malware spreading via emails and IM. The types of malware which are detected by this anti virus software are,phishing scams, dialers, adware, malicious scripts, Trojans, rootkits and worms. cite26item Avira AntiVir Premiumitem Trend Micro AntiVirus + AntiSpywareenditemizesectionCryptography and virusesCryptography is technique use to safe some data from other unauthorized people. Most of the time this is used when transfers data from computer to another one. But the problem is virus programmers also use this technique to their viruses.beginsloppyparendsloppyparIn cryptanalytics there are different kind of cryptography methods available but most of the time the programmer who create viruses use symmetric single key cryptography. Actually what happen in cryptography is data encrypt using key and send tha t encrypted data to recipient then recipient decrypt and get original data using the key. This method is so safe because the encrypted data can not anyone understand.beginsloppyparendsloppyparNormally anti-virus program detect virus using the code of the virus. If there any virus with encrypted code then anti virus software can not identify those viruses.beginsloppyparendsloppyparVirus creators using cryptography, they encrypt the code of the virus. So some viruses change their aspects moment to moment and system to system but the key is same but is encrypted with virus code. So the virus is safe from anti-virus software, till the code is encrypted.beginsloppyparendsloppyparBut some cryptography viruses keep their key in remove places instead of keep with the same file. So good anti virus software can detect the places which keys are stored. Then it can decrypt the virus code and delete it.beginsloppyparendsloppyparTherefore computer system is protected some operating system develo pers keep the system fies as encrypted. So even though, there are some advantages and the facilities in using cryptography systems to be it prctically applicapable in virus preventation more advanced features of cryptography should be applied.cite13newpagesectionConclusionAs computer usage and internet usage is increasing in the modern world, the computer virus creation and the computer virus infection has become a common thing. Computer viruses can destroy a whole computer system or computer network within few seconds. But for any kind of company, the data they have should have confidentiality, integrity and availability. But sometimes those three things will be lost by the computer viruses. So most of the computers users are now try to avoid from the computer viruses.beginsloppyparendsloppyparBut computer virus infection has become so common thing because of the unawareness and the careless of the computer users about computer viruses. If the computer is attacked by a computer vir us, the computer users do not do the correct thing to avoid spreading the virus to the other computers. That is why the computer viruses are spreading all over the world quickly. If a new computer virus is found from a users computer, the anti virus software providers are unable to provide a solution to the problem before it spread everywhere. The computer user has great responsibility to not to let a computer virus enter into the computer. To mitigate the destruction, this can happen to the computer from computer viruses,beginitemizeitem Aware the computer users about computer viruses.item Backup the data.item Put passwords which cannot easily guess by the outsiders.item Not to give write permission to the other persons.item Do not open suspicious e-mails from unknown contacts.item Download and use only the recommended software.item Install an anti virus software.item Always keep the anti virus database up to date.item Use only the recommended anti virus software.enditemizebeginslo ppyparendsloppyparAs computer users are now searching for the best anti virus software which can give the best protection to their computers from computer malware, the anti virus market has grown and saturated with various kinds of anti virus software. But the problem is that though there are more anti virus software with the target of providing a better protection virus creators are more powerful than anti virus program creators. They encrypt the code of the computer virus so that any of the anti viruses cannot detect that computer virus.beginsloppyparendsloppyparConsidering all the fact we can come to a conclusion that any of the computer in the world cannot be there with no virus attack and any of the computer virus protection methods cannot eradicate the computer viruses from the computer forever.newpagebeginthebibliographywidest entrybibitem1 McAfee,emphAn Introduction to Computer Viruses and other Destructive Programs,Available at http//www.mcafee.com/common/media/vil/pdf/av_w hite.pdfbibitem2 Markus Hanhisalo,emphcomputer Viruses,Available athttp//www.tml.tkk.fi/Opinnot/Tik-110.501/1997/viruses.html 1.Introduction% 20to% 20Computer% 20Virusesbibitem3 Top Bits,2010, http//www.topbits.com/types-of-computer-viruses.htmlbibitem4 Spamlaws,2009,emphUnderstanding the Polymorphic Virus,Available at http//www.spamlaws.com/polymorphic-virus.htmlbibitem5 Ward Takamiya,Jocelyn Kasamoto,emphAn Introduction to Computer Virusesbibitem6 Spamlaws,2009,emph maculation the Stealth Virus,Available athttp//www.spamlaws.com/stealth-virus.htmlbibitem7Spamlaws,2009, emphUnderstanding the Resident Virus,Available athttp//www.spamlaws.com/resident-virus.htmlbibitem8 Top Bits,2010http//www.topbits.com/computer-worm.htmlbibitem9 Top Bits,2010http//www.topbits.com/trojan-virus.htmlbibitem10 Top Bits,2010,http//www.topbits.com/logic-bomb.htmlbibitem11 emphAntiVirus Software Review ,http//anti-virus-software-review.toptenreviews.com/bibitem12 emphComputer knowledge virus tutorial,Avai lable atwww.cknow.combibitem13 Charles P. Pfleeger,Shari Lawrence Pfleeger emphSecurity in Computing (4th Edition) bibitem14 Stanley A. Kurzban, emphDefending against viruses and worms,Available athttp//portal.acm.org/citation.cfm?id=68697bibitem15 emphHow does anti-virus software work?,Available athttp//www.antivirusworld.com/articles/antivirus.phpbibitem16 emphHow Antivirus Software Detect Computer Viruses,Available athttp//security-antivirus-software.suite101.com/article.cfm/how-antivirus-software-detect-computer-virusesbibitem17 emphHow AntiVirus Works,Available athttp//www.antivirusware.com/articles/how-anti-virus-works.htmbibitem18 http//www.darkgovernment.com/news/tag/hackingbibitem19 emphBitDefender Antivirus 2010 http//anti-virus-software-review.toptenreviews.com/bitdefender-review.htmlbibitem20 emphKaspersky Anti-Virus 2010http//anti-virus-software-review.toptenreviews.com/kaspersky-review.htmlbibitem21 emphWebroot AntiVirus with SpySweeper Reviewhttp//anti-virus-software- review.toptenreviews.com/webroot-antivirus-review.htmlbibitem22 emphNorton AntiVirus 2010http//anti-virus-software-review.toptenreviews.com/norton-review.htmlbibitem23 emphESET Nod32 Antivirus 4http//anti-virus-software-review.toptenreviews.com/eset-nod32-review.htmlbibitem24 emphAVG Anti-Virus 9http//anti-virus-software-review.toptenreviews.com/avg-review.htmlbibitem25 emphF-Secure Anti-Virus 2010http//anti-virus-software-review.toptenreviews.com/f-secure-review.htmlbibitem26 emph GDATA AntiVirus 2011http//anti-virus-software-review.toptenreviews.com/antiviruskit-review.htmlendthebibliographyenddocument

Monday, June 3, 2019

Biological Effects Of Radiation

Biological Effects Of ray syndrome ray sickness describes a process in which energetic segments or waves travel through a medium or space. There be two distinct types of radiation ionizing and non-ionizing. The word radiation is usually utilise in reference to ionizing radiation only having sufficient postal code to ionize an instalment but it may also refer to non-ionizing radiation prototype like radio waves or visible light. The energy radiates travels exposeward in straight lines in all directions from its source. This geometry naturally leads to a system of measurement and somatogenetic that is equally applicable to all types of radiation. Both ionizing and non-ionizing radiation stooge be harmful to beingnesss and can result in changes to the natural environment.Radiation with sufficiently laid-back-pitched school energy can ionize atoms. Most often, this occurs when an electron is stripped from an electron shell, which leaves the atom with a net positive char ge. Be pose cells ar made of atoms, this ionization can result in cancer. An individual cell is made of trillions of atoms. The probability of ionizing radiation causing cancer is thinkent upon the loony toons rate of the radiation and the sensitivity of the harmoniumism being irradiated.alpha particles, Beta particles, Gamma and X-Ray radiation, and Neutrons may all be accelerated to a high enough energy to ionize atoms.Radiation includes alpha particle, beta particle, and gamma particle.Alpha particle In alpha particle, the self-generated process of emission of an alpha particle from a hot heart and soul. Alpha particle is generally termed as alpha decay. An alpha particle is emitted by a heavy nucleus. The nucleus, called p bent nucleus has a very large essential energy and is unstable. An alpha particle is a helium nucleus having two protons and two neutrons. When two electrons orbiting around the nucleus of helium atom be knocked out completely, we flip doubly ionized helium atom known as alpha particle.Beta particle a beta-particle is a fast moving electron. The spontaneous process of emission of beta-particle from a radioactive nucleus is called beta decay. Beta decay is of three types beta-minus, beta-plus, and electron capture.Beta-minus beta-minus is like an electron. It is surprising that nucleus contains no electron, past a nucleus can emit electron. In the neutron inside the nucleus is converted in to a proton and an electron like particle. This electron like particle is emitted by the nucleus during beta-decay.In beta-minus decay, neutron in the nucleus is converted in to a proton and a beta-minus particle is emitted so that the ratio of neutron to proton decreases and thusly the nucleus becomes stable.Beta-plus In a beta-plus decay, a proton is converted in to a neutron and a positron is emitted if a nucleus has to a greater extent protons than neutrons.Electron capture In electron capture, nucleus absorbs iodin of the inner electron s revolving around it and hence a nuclear proton becomes a neutron and a neutrino is emitted. Electron capture is comparable with a positron emission as the processes lead to the same nuclear transformation. However, in electron capture occurs more frequently than positron emission in heavy elements. This is because the orbits of electrons in heavy elements claim same radii and hence orbital electrons argon very close to the nucleus.Gamma ray Gamma rays are the high energy packets of electromagnetic radiation. Gamma radiations have high energy photons. They do not have whatsoever charge and their relative rest mass is zero. Gamma-decay it is the spontaneous process of emission of high energy photon from a radioactive nucleus.When a radioactive nucleus emits a beta particle, the daughter nucleus is excited to the higher energy state. This excited nucleus rays are emitted by the daughter nucleus so it is clear that the emission of gamma rays follows the emission of alpha or beta pa rticle.Non ionizing radiationNon-ionizing forms of radiation on supporting tissue have only recently been studied. Instead of producing charged ions when passing through theme, the electromagnetic radiation has sufficient energy to change only the rotational, quivering or electronic valence configurations of molecules and atoms. Nevertheless, different biological effectuate are observed for different types of non-ionizing radiationRadio waves Radio waves whose wavelengths range from than 104m to 0.1m, are the result of charges accelerating through conducting wires. They are generated by such electronic devices as LC oscillators are used in radio and television communication system. infrared radiation rays Infrared radiations have wavelength ranging from approximately 0.3m to 10 -4m and also generated by the electronic devices. The infrared radiation energy intent by a substance as cozy energy because the energy agitates the objects atoms, increasing their vibration or transl ational motion, which results temperature increases. Infrared radiation has practical and scientific application in many areas, including physical therapy, infrared radiation photography, and vibration spectroscopy.Ultraviolet radiation Ultraviolet radiation cover wavelength ranging from approximately 4X104m to 6X10-10m. The sun is an important source of ultraviolet radiation light, which is the main cause of sunburn. Sunscreen locations are transparent to visible light but greater percentage of UV light absorbed. Ultraviolet rays have also been implicated I the formation of cataracts.Most of the UV light from the sun is absorbed by ozone molecules in the earth upper atmosphere, in a layer called stratosphere. This ozone shield converts fatal high energy ultraviolet radiation to infrared radiation, which in turns warm the stratosphere.X-rays X-rays have the range from approximately10-8 to 10-12m. The most common source of x-rays is stopping of high energy electrons upon the bombard ing a metal target. X-rays are used as diagnostics tool in medicine and as the treatment for certain forms of cancer. Because x-rays can modify or destroy living tissue and organism, care must be taken avoid necessary photo or over-exposure. X-rays are also used in the study of crystal structure because x-rays wavelengths are comparable to the atomic separation distance in solids.Electromagnetic radiation The wave nature of electromagnetic radiation explains various phenomena like interference, diffraction and polarization. However, wave nature of electromagnetic radiation, could explain phenomena like photoelectric effect, Compton Effect. The cathode rays consist of negative charged particles called electrons which are the constituent of an atom and hence the constituent of matter.According to the concept of radiation example light waves radio waves, X-rays, microwaves etc. are assumed to carry energy in packets or bundles known as photons or quanta. Biological effect of radiation In biological effect of radiation, in that respect are many dangerous set up of our wellness and torso. Biological effects of radiation are typically can be divided into two categories. The first category consist of exposure to high doses of radiation over shots cessation of time producing acute or short term effects. The second category represents exposure to low doses of radiation over an extended period of time producing chronic or long term effects.High dose (acute) high doses tend to kill cells, while low doses tend to vilify or change them. High doses can kill so many cells that tissues and organs are damaged. This is turn may cause a rapid whole body response often called the acute radiation syndrome (ARS).Low doses (chronic) low doses spread out over long periods of time dont cause an immediate problem to any body organ. The effects of low doses of radiation occur at the level of the cell, and the results may not be observed for many years.Although we tend to associate high doses of radiation with catastrophic events such as nuclear weapons explosions, there have been documented cases of individuals dying from exposures to high doses of radiation resulting from tragic events.High effects of radiation high effects of radiation are trim burns, hair loss, sterility, cataracts.Effects of skin include (reddening like sunburn), dry (peeling), and moist (blistering). Skin effects are more likely to occur with exposure to low energy gamma, x-ray, or beta radiation. Most of the energy of the radiation deposit in the skin surface. The dose required for erythematic to occur is relatively high, in excess of 300 radiations. Blistering requires a dose in excess of 1,200 radiations.Hair loss, also called epilation, is similar to skin effects and can occur after acute doses of tightly fittingly 500 radiations.Sterility can be temporary or permanent in males, depending upon the doses. To work permanent sterility, a dose in excess of 400 radiations is required to the reproductive organs.Cataracts (a clouding of the lens of the eye) appear to have a threshold about 200 radiations. Neutrons are especially effective in producing cataracts, because the eye has high water content, which is particularly effective in stopping neutrons.High dose effectsDose (radiation) effect observed15-25 blood count changes.50 blood count change in individual.100 Vomiting (threshold).150 Death (threshold).Categories of effects of exposure to low doses of radiationThere are three general categories of effects resulting from exposure to low doses of radiation. These areGenetic the effect is suffered by the subject of the individual clear. bodily the effect is primarily suffered by the individual exposed. Since cancer is the primary result, it is sometimes called the carcinogenic effect.In-utero some mistakenly consider this to be a genetic consequence of radiation exposure, because the effect, suffered by a developing is after birth. However, this is actually a special case of the somatic effect, since the embryo is the one to the radiation.Radiation jeopardy the approximate risks for the three principal effects to level of radiation areIn genetic effect, risk from 1 rem of radiation exposure to the reproductive organs approximately 50 to 1,000 times less than spontaneous risk for various anomalies.In somatic effect, for radiation induced cancer, the risk cypher is developing any type of cancer. However not all cancers are associated with exposure to radiation. The risk from dying from radiation induced cancer is about one half the risk of getting the cancer.In utero Spontaneous risks of fetal abnormalities are about 5 to 30 times greater than risk of exposure to 1 rem radiation. However, the risk of child hood cancer from exposure in utero is about the same as the risk to adults exposed to radiation exposures. analog no-threshold risk model general consensus among experts is that some radiation dose by a linear, no threshold model. Th is model is accepted by the NRC since it appears to be most conservative.Linear an increase in dose adults in a proportional increase in risk.No-threshold any dose, no matter how small, produces some risk.The risk does not get moving at 0 because there is some risk of cancer, even with no occupational exposure. Exposure to radiation is guarantee of harm. However, because of the linear, no-threshold model, more exposure means more risk, and there is no dose of radiation so small that it will not have some effect.EFFECTS OF RADIATION ON CELLSIonizing radiation absorbed by human tissue has enough energy to remove electrons from the atoms that make up molecules of the tissue. When the electron that was shared by the two atoms to form a molecular(a) bond is dislodged by ionizing radiation, the bond is broken and thus, the molecule falls apart. This is a basic model for understanding radiation damage. When ionizing radiation interacts with cells, it may or may not strike a critical part of the cell. We consider the chromosomes to be the most critical part of the cell since they contain the genetic information and operating instructions required for the cell to perform its function and to make copies of it for reproduction purposes. Also, there are very effective speed mechanisms at work constantly which repair cellular damage including chromosome damage.Uses of radiation Nuclear physics application are extremely widespread in manufacturing, medicine in biology, we present a a few(prenominal) of these application and underlying theories supporting them.Tracing Radioactive tracers are used to track chemicals participating in various reactions. One of the most valuable uses of radioactive tracers in medicine. For example, iodine, a nutrient needed by the human body, is obtained largely through intake of iodized salt and sea food.Radiation therapy Radiation causes untold damage to rapidly dividing cells. Therefore, it is useful in cancer treatment because tumor cel ls divide extremely rapidly. Several mechanisms can be used to deliver radiation to a tumor. In some cases, a narrow beam of x-ray or radiation from a source such as 60co is used. In other(a) situation, thin radioactive needles called seeds are implanted in the cancerous tissue. The radioactive isotope 131I is used to treat cancer of the thyroid.Black body radiation An object at any temperature emits electromagnetic waves in the form of thermal radiation from its surface. The characteristics of this radiation depend on the temperature and properties of the objects surface. Thermal radiation originates from accelerated charged particles in the atoms near the surface of the object those charged particles emit radiation much as small antennas do. The thermally radiation agitated particles can have a statistical distribution of energies, which accounts for the continuous spectrum of radiation emitted by the object. The basic problem was in understanding the observed distribution of wav elengths in the radiation emitted by a black body. A black body is an ideal system that absorbs all radiation incidents on it. The electromagnetic radiation emitted by the black body is called blackbody radiation.Radiation damage Radiation damage means that electromagnetic is all around in the form of radio waves, microwaves, light waves so on. The degree and type of damage depend on several factors, including the type and energy of the radiation and properties of the matter.Radiation damage in biological organism is primarily due to ionization effects in cells. A cells normal operation may be disrupted when highly reactive ions are formed as the result of ionizing radiation. Large those of radiation are especially dangerous because damage to a great number of molecules in a cell may cause to die.In biological systems, it is common to take away radiation damage in two categories somatic damage and genetic damage. Somatic damage is that associated with any body cell except the repro ductive cells. Somatic damage can lead to cancer or can seriously alter the characteristics of specific organism. Genetic damage affects only reproductive cells. Damage to the genes in reproductive cells can lead to defective cells. It is important to be the aware of the effect of diagnostics treatments, such as X-rays and other forms of radiation exposure, and to balance the portentous benefits of treatment with the dam senescent effects.Damage caused by the radiation also depends on the radiations penetrating power. Alpha particles cause extensive damage, but penetrate only to modify depth in a material due to strength interaction with other charged particles. Neutrons do not interact via the electric force and hence penetrate deeper, causing significant damage. Gamma rays are high energy photons that can cause serve damage, but often pass through matter without interactions. For example- a given dose of alpha particle causes about ten times more biological damage produced by ra diation than equal dose of x-rays. The RBE (relative biological effectiveness) factor for a given type of radiation is the number of rads of x-radiation or gamma radiation that produces the same biological damage as 1-rad of the radiation is being used.Radiation detectors Particles passing through matter interact with the matter in several ways. The particles can, for example- ionize atoms, scatter from atoms, or be absorbed by atoms. Radiation detectors exploit these interactions to allow a measurement of the particles energy, pulse, or change and sometimes the very existence of the particle if it is otherwise difficult to detect. dissimilar devices have been developed for detecting radiation. These devices are used for a variety of purposes, including medical diagnoses, radioactive dating measurement, measuring back ground radiation, and measuring the mass, energy, and momentum of particles is created in high-energy nuclear reaction.EFFECT OF RADIATION ON HUMANSA very small amou nt of ionizing radiation could trigger cancer in the long term even though it may take decades for the cancer to appear. Ionizing radiation (x-rays, radon gas, radioactive material) can cause leukemia and thyroid cancer. There is no doubt that radiation can cause cancer, but there still is a question of what level of radiation it takes to cause cancer. Rapidly dividing cells are more susceptible to radiation damage. Examples of radiosensitive cells are blood forming cells (bone marrow), intestinal lining, hair follicles and fetuses. Hence, these develop cancer first.If a person is exposed to radiation, especially high dose, there are predictable changes in our body that can be measured. The number of blood cells, the frequency of chromosome aberrations in the blood cells and the amount of radioactive material in urine, are examples of biomarkers that can indicate if one is exposured high dose. If you do not have betimes biological changes indicated by these measurements the radiati on exposure will not pose an immediate threat to you.Radiation poisoningRadiation poisoning, radiation sickness or a creeping dose, is a form of damage to organ tissue caused by excessive exposure to ionizing radiation. The term is generally used to refer to acute problems caused by a large dosage of radiation in a short period, though this also has occurred with long term exposure. The clinical name for radiation sickness is acute radiation syndrome as described by the CDC A chronic radiation syndrome does exist but is very uncommon this has been observed among workers in early radium source production sites and in the early days of the Soviet nuclear program. A short exposure can result in acute radiation syndrome chronic radiation syndrome requires a extend high level of exposure.Radiation exposure can also increase the probability of developing some other diseases, mainly cancer tumors, and genetic damage. These are referred to as the stochastic effects of radiation, and are no t included in the term radiation.Radiation ExposureRadiation is energy that travels in the form of waves or high-speed particles. It occurs naturally in sunlight and sound waves. Man-made radiation is used in X-rays nuclear weapons, nuclear power plants and cancer treatment.If you are exposed to small amounts of radiation over a long time, it raises your risk of cancer. It can also cause mutations in your genes, which you could pass on to any children you have after the exposure. A lot of radiation over a short period, such as from a radiation emergency can cause burns or radiation sickness. Symptoms of radiation sickness include nausea, weakness, hair loss, skin burns and reduced organ function. If the exposure is large enough, it can cause premature aging or even death.

Sunday, June 2, 2019

Emily Jane Brontë :: Biography Biographies Essays

Emily Jane Bront Emily Jane Bronts life, though short and tragic, had an overwhelming influence on her work. Marked by violent emotional upheavals, her childhood on the Yorkshire moors provided the folk background paramount in Wuthering Heights. She was born the fifth of six children on July 30, 1818, at Thornton, near Bradford, Yorkshire. In April, 1820, the Bront family, consisting of elevated Patrick Bront, his wife Maria, son Branwell, and daughters Maria, Elizabeth, Charlotte, Emily, and Anne, moved to the parsonage at Haworth. Emily never knew her mother, for Mrs. Bront contracted internal cancer at the age of thirty-eight and died in September of 1821, when Emily was just three years old. Patrick Bront never remarried. In 1824, Maria, Elizabeth, Charlotte, and Emily were enrolled at the Clergy Daughters direct at Cowan Bridge, located less than twenty miles from Haworth. In 1825, Maria and Elizabeth fell ill from consumption and returned to Haworth, where they soon died. Charlotte and Emily left Cowan Bridge and returned to Haworth. In the autumn of 1825, Tabitha Aykroyd was industrious as cook and housekeeper at Haworth. Her influence on the Bront children, particularly on Emily, was monumental. Tabby, as she was known, was a native of Haworth and brought to the children the folklore of the Yorkshire moors She told of fairies that danced by the bed-sides in the moonlight, and of those who had seen them. When the peat glowed red on the kitchen fireplace and shadows stretched across the stone floor, Tabby made the warm air seem alive with creatures of the fern and heather. (Simpson, 27) The imaginations of the Bront children, fired by Tabbys fascinating folktales, encountered the door, in 1826, to further development when the Reverend Mr. Bront presented twelve wooden soldiers to Branwell. The four siblings created characters and islands around these toys and developed an oral literature that would later be transformed into poetry, constitu ting the well-known Gondal saga that Emily and Anne continued long after Branwell and Charlotte upset interest. Of special note is Emilys choice of names for her special heroes Sir Walter Scott and the Lockharts. The literary reference seems to indicate an acquaintance with literature, an idea reinforced by Charlottes History of the Year 1829 We suck up two and see three newspapers a week.