ATI RN
Descriptive Epidemiology Questions Questions
Question 1 of 5
In a cross-sectional study, the data is collected:
Correct Answer: C
Rationale: Cross-sectional studies (C) collect data at one time (e.g., survey). A is cohort, B is case-control, D is longitudinal.
Question 2 of 5
Which of the following is a strategy to control for confounding in the design phase of a study?
Correct Answer: C
Rationale: Matching (C) controls confounding in design (e.g., age-matching in case-control). A and B are analysis methods, D reduces observer bias.
Question 3 of 5
The principle of 'beneficence' in research ethics refers to:
Correct Answer: C
Rationale: Beneficence (C) maximizes benefits and minimizes harm (e.g., risk-benefit balance). A is autonomy, B is non-maleficence, D is justice.
Question 4 of 5
Which of the following statements is true about a highly sensitive test?
Correct Answer: C
Rationale: High sensitivity (C) rules out disease (e.g., few false negatives, SnNout). A is specificity, B may occur, D contradicts high sensitivity.
Question 5 of 5
What is the primary disadvantage of using a highly specific test for screening purposes?
Correct Answer: A
Rationale: High specificity (A) may miss cases (low sensitivity) in screening. B is low specificity, C and D are not primary.