ATI RN
Epidemiology Final Exams Questions and Answers Questions
Question 1 of 5
Which research study would determine the attributable risk of a sedentary lifestyle in cardiac disease?
Correct Answer: C
Rationale: Attributable risk is determined by subtracting the rate of disease among nonexposed individuals (such as athletes) from the rate of disease among those exposed (the individuals with a sedentary lifestyle).
Question 2 of 5
When epidemiologists judge the evidence to establish possible causes of a health outcome, they consider
Correct Answer: D
Rationale: Causation assessment (e.g., Bradford Hill criteria) includes strength of association (A), temporality (B), and reversibility (C), among others. All are considered (D) to evaluate if an exposure causes an outcome (e.g., smoking cessation reducing lung cancer risk supports causality).
Question 3 of 5
The incubation period is the time between:
Correct Answer: A
Rationale: Incubation period (A) is from exposure to symptom onset (e.g., measles: 10–14 days). B, C, and D describe other intervals.
Question 4 of 5
Which of the following is an example of passive surveillance?
Correct Answer: A
Rationale: Passive surveillance (A) relies on routine reporting (e.g., by providers). B, C, and D are active methods requiring outreach.
Question 5 of 5
What is the term for a disease that occurs occasionally and at irregular intervals in a population?
Correct Answer: C
Rationale: Sporadic (C) is occasional, irregular occurrence (e.g., tetanus). A is constant, B is excess, D is global.