ATI RN
Descriptive Epidemiology Questions Questions
Question 1 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 2 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 3 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 4 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).
Question 5 of 5
Correct statements concerning breast-feeding include which of the following?
Correct Answer: D
Rationale: Breast milk provides IgA, reducing infections (A false). B is rare. C is false (cow’s milk worse for iron).