ATI RN
Epidemiology NCLEX Questions Questions
Question 1 of 5
Which type of study design involves collecting data on past exposures from individuals with and without a disease?
Correct Answer: B
Rationale: Case-control studies (B) retrospectively assess past exposures in cases vs. controls. A is snapshot, C is prospective, D is experimental.
Question 2 of 5
What is the primary way to control for confounding in the analysis phase of a study?
Correct Answer: A
Rationale: Stratification (A) controls confounding in analysis by grouping (e.g., by age). B and C are design, D is bias reduction.
Question 3 of 5
Which of the following is an example of coercion in research?
Correct Answer: C
Rationale: Coercion (C) involves pressure (e.g., threats to participate). A, B, and D respect autonomy.
Question 4 of 5
What does the area under the ROC curve (AUC) represent?
Correct Answer: A
Rationale: AUC (A) measures test accuracy (e.g., 0.9 = high discrimination). B, C, and D are unrelated.
Question 5 of 5
Which level of prevention is associated with health promotion activities?
Correct Answer: A
Rationale: Primary prevention (A) promotes health to prevent disease (e.g., exercise campaigns). B, C, and D focus post-onset.