ATI RN
Descriptive Epidemiology Questions Questions
Question 1 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 2 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.
Question 3 of 5
How is 'mortality rate' defined?
Correct Answer: C
Rationale: Mortality rate (C) is deaths over time (e.g., 2/1000/year). A is incidence, B is prevalence, D is recovery.
Question 4 of 5
The 'Bradford Hill criteria' are used to:
Correct Answer: B
Rationale: Bradford Hill criteria (B) assess causality (e.g., smoking-lung cancer). A, C, and D are unrelated.
Question 5 of 5
Factors that are more characteristic of childhood-onset asthma than adult-onset asthma include
Correct Answer: B
Rationale: Childhood asthma is atopic (eczema, high IgE—B true, C false). A is false (male predominance). D and E are false (responsive, seasonal).