BSN Mid Term Epidemiology Paper INS .docx

BSN Mid Term Epidemiology Paper INS .docx

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  Institute of NursingSciences Sarhad University of Science & Information Technology, Peshawar BSN Year-3, Semester-VI (Spring-2024) Exam: Mid Term Time: 40 Minutes Marks: 30 Course: Epidemiology: Student Name: __________________ Reg #_____________ Multiple Choice Questions Section A: Note: Reads all the questions carefully and encircle the accurate answer. This part composed of 40 MCQs and each question carry 1 mark. 1. What is the literal meaning of the word 'epidemiology'? A) Study of diseases B) Study of epidemics C) Study of what is upon the people D) Study of medical science 2. The first stage in the natural history of disease is: A) Subclinical B) Susceptibility C) Clinical D) Recovery, disability, or death 3. What is one of the main purposes of epidemiology? A) To cure individual patients B) To develop disease control and prevention measures for groups at risk C) To prescribe medications D) To perform surgeries 4. Which of the following is NOT a characteristic studied in descriptive epidemiology? A) Person B) Place C) Time D) Cure 5. In analytic epidemiology, what are the three phenomena assessed? A) Host, environment, agent B) Person, place, time C) Disease, cure, prevention D) Risk, exposure, outcome 6. Which of the following is an example of a determinant studied in epidemiology? A) Disease frequency B) Geographic location C) Cause of disease D) Time of disease occurrence 7. What is the unique skill of epidemiologists? A) Performing surgeries B) Measuring disease frequency in populations C) Developing new medications D) Treating individual patients Page 1 of 5
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  8. What doesthe 'denominator' refer to in epidemiological studies? A) The number of people who got sick B) The population at risk C) The number of deaths D) The number of recovered cases 9. When total number of deaths due to measles is presented in relation to the total cases of measles, it is best labeled as: A) Incidence rate B) Prevalence rate C) Case fatality rate D) Proportional mortality 10. An expert in the field of public health is required to estimate the magnitude (burden) of a health problem. Which rate would he calculate for this? A) Incidence B) Prevalence C) Case Fatality D) Proportionate Mortality 11.A doctor examines a patient who is not exhibiting any symptoms of illness but feels unwell due to stress at work. Which concept of health best explains this situation? A) Biomedical concept B) Ecological concept C) Psychosocial concept D) Holistic concept 12.A public health official is investigating a recent outbreak of food poisoning in a community and looks at the interaction between contaminated food, the people who ate it, and the conditions that allowed the contamination to occur. Which model of disease causation is being utilized? A) Germ theory B) Epidemiologic triad C) Web of causation D) Wheel of causation 13.A community health worker is addressing multiple factors such as air quality, access to clean water, and social support systems to improve the overall health of a community. Which concept of health does this approach exemplify? A) Biomedical concept B) Ecological concept C) Psychosocial concept D) Holistic concept 14.A patient is diagnosed with hypertension and is advised to change their diet, increase physical activity, and manage stress to improve their health. Which aspect of health is the patient focusing on? A) Physical health B) Social health C) Emotional health D) Environmental health 15.An epidemiologist is tracking a disease that has not yet shown symptoms in most of the infected population. This hidden portion of the disease is critical for understanding the full impact on the community. Page 2 of 5
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  Which concept doesthis scenario describe? A) Spectrum of disease B) Iceberg phenomenon C) Natural history of disease D) Web of causation 16.A health researcher is studying the relative impact of genetic factors and environmental exposure in the development of diabetes. Which model of disease causation is the researcher using? A) Germ theory B) Epidemiologic triad C) Web of causation D) Wheel of causation 17.During a community health assessment, it is found that high rates of tobacco use, poor diet, and lack of physical activity are contributing to increased heart disease. These factors are examples of what kind of determinants of health? A) Socio-economic B) Physical C) Behavioral D) Environmental 18.A country reports a high infant mortality rate, indicating many infants die before their first birthday. This rate is an example of which type of health indicator? A) Mortality indicator B) Morbidity indicator C) Nutritional status indicator D) Health care delivery indicator 19.A health survey in a community shows that a significant number of people feel happy and satisfied with their lives despite having chronic illnesses. Which aspect of health does this describe? A) Physical health B) Emotional well-being C) Intellectual well-being D) Occupational health 20. When the number of educated females is expressed as a percentage of total females present in a village. It is known as: A. Proportion B. Rate C. Ratio D. Frequency 21.In a research study, 1000 individuals are observed over one year. During this period, 50 new cases of a specific disease are reported. What measure would best describe the frequency of this disease in this population over the study period? A) Prevalence B) Incidence rate C) Cumulative incidence D) Mortality rate 22.A health department reports that out of a population of 10,000 people, 1,000 have a Page 3 of 5
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  chronic illness ata given point in time. Which measure does this describe? A) Incidence B) Prevalence C) Mortality rate D) Case-fatality rate 23.An epidemiologist is comparing the risk of developing lung cancer between smokers and non-smokers. They find that the risk for smokers is 20%, while the risk for non-smokers is 1%. What is the attributable risk for smokers? A) 19% B) 20% C) 1% D) 21% 24.A study observes 500 people for two years. During this period, there are 10 new cases of a disease. The total person- time observed is 900 person- years. What is the incidence rate of the disease? A) 0.011 cases per person- year B) 0.022 cases per person- year C) 0.005 cases per person- year D) cases per person-year 25.In a city, there are 150 deaths due to heart disease in a year, out of a total of 10,000 populations. What is the annual mortality rate for heart disease in this city? A) 1.5 Per 1,000 populations B) 15 per 1,000 populations C) 150 per 1,000 populations D) 0.15 Per 1,000 populations 26. When a new treatment is developed that delays deaths but does not produce recovery from a chronic disease, which of the following will occur. A. Prevalence of the disease will decrease B. Incidence of the disease will increase C. Prevalence of the disease will increase D. Incidence of the disease will decrease 27. If the number of deaths from tuberculosis is expressed in relation to the total mid-year population, it is: A. Case fatality rate B. Proportionate mortality rate C. Crude death rate D. Cause specific death rate 28. Fluoridation of water would be an example of A. Primary prevention strategy B. Secondary prevention strategy C. Tertiary prevention strategy D. None of the above 29. A person is exposed to a virus but does not show any symptoms for two weeks, even though pathological changes are occurring in their body. What is the term for this asymptomatic stage in infectious diseases? A. Latent period B. Incubation period Page 4 of 5
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  C. Prodromal period D.Convalescent period 30.During a routine health screening, an individual is found to have high blood sugar levels but has not experienced any symptoms of diabetes. This asymptomatic stage of diabetes is an example of which phase? A) Clinical disease B) Incubation period C) Subclinical disease D) Recovery phase Institute of Nursing Sciences Sarhad University of Science & Information Technology, Peshawar BSN Year-3, Semester-VI (Spring-2024) Exam: Mid Term Time: 80 Minutes Marks: 20 Course: Epidemiology: Student Name: __________________ Reg # Section “B” Attempt any 4 Questions, each question carries equal marks. Question No 1 is compulsory? 1. A study finds that among 100 people who were exposed to a virus, 20 developed the disease, while in the unexposed group of 200 people, 10 developed the disease. What is the odds ratio for developing the disease due to exposure? 2. What are the different types of agents, explain each with example? 3. Define Risk Factor in epidemiology? Briefly explain determinants of health with examples? 4. What are the indicators of health in epidemiology? Enlist Dimensions of wellness? 5. In experiment study, exposure relates to receiving the flu vaccine. The vaccinated group is exposed, and the placebo control group is unexposed. The table contains the count of infections (events) and non-infections for both groups. We want to learn whether the vaccine protects against infections. Calculate Relative Risk? Treatment Flu Infection No Flu Infection Vaccine 49 5054 Placebo 74 2475 Page 5 of 5