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ATI RN · ATI Community Health · Epidemiology Practice Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

The probability that an asymptomatic person will suffer a stroke is increased with which of the following?

A. A history of frequent headaches

B. Alcoholism

C. Electrocardiographic evidence of heart enlargement

D. A type A personality

Correct Answer: Electrocardiographic evidence of heart enlargement

Question 2 of 5

Seroepidemiologic studies of infection with herpes simplex virus (HSV) have shown that

A. infection with HSV-2 is more common than infection with HSV-1

B. the prevalence of antibodies to HSV-2 is more than five times higher than the reported history of infection

C. HSV-2 is only infectious during the symptomatic phase

D. it is possible to differentiate HSV-1 from HSV-2 antibodies

Correct Answer: it is possible to differentiate HSV-1 from HSV-2 antibodies

Question 3 of 5

A cohort study differs from a case-control study in that: (Choose one wrong answer)

A. Subjects are enrolled or categorized on the basis of their exposure status in a cohort study but not in a case-control study

B. Subjects are asked about their exposure status in a cohort study but not in a case-control study

C. Cohort studies require many years to conduct, but case-control studies do not

D. Cohort studies are conducted to investigate chronic diseases, case-control studies are used for infectious diseases

Correct Answer: Subjects are asked about their exposure status in a cohort study but not in a case-control study

Question 4 of 5

Criteria for prioritizing health problems for surveillance include which of the following? (Choose one wrong answer)

A. Incidence of the problem

B. Public concern about the problem

C. Number of previous studies of the problem

D. Social and economic impact of the problem

Correct Answer: Number of previous studies of the problem

Question 5 of 5

In which circumstance would it be more helpful to use the wheel model of epidemiology than the epidemiological triangle model?

A. When factors outside the triangle model are involved

B. When there are multiple causes for a chronic disease

C. When research has not yet determined the exact cause

D. When trying to explain the situation to a lay person

Correct Answer: When there are multiple causes for a chronic disease

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