ATI RN
Epidemiology Final Exams Questions and Answers Questions
Question 1 of 5
What type of study design involves comparing the outcomes of two or more groups that differ in exposure status?
Correct Answer: C
Rationale: Cohort studies (C) compare exposed vs. unexposed outcomes (e.g., smoking and cancer). A is snapshot, B is retrospective, D is experimental.
Question 2 of 5
The principle of 'justice' in research ethics emphasizes:
Correct Answer: B
Rationale: Justice (B) ensures fair burden-benefit distribution (e.g., no group exploited). A is beneficence, C is autonomy, D is non-maleficence.
Question 3 of 5
Which of the following best describes a false negative result?
Correct Answer: B
Rationale: False negative (B) is missing a diseased person (e.g., negative test despite cancer). A is false positive, C and D are correct results.
Question 4 of 5
Which of the following is an example of secondary prevention?
Correct Answer: B
Rationale: Secondary prevention (B) detects early disease (e.g., cancer screening). A and D are primary, C is tertiary.
Question 5 of 5
Which of the following is a measure of the burden of a disease in a population?
Correct Answer: B
Rationale: Prevalence (B) shows disease burden (e.g., total diabetes cases). A is onset, C is deaths, D is severity.