ATI RN
Epidemiologic Question Questions
Question 1 of 5
Which of the following is an example of a vector-borne disease?
Correct Answer: B
Rationale: Malaria (B) is vector-borne, transmitted by mosquitoes. Tuberculosis (A), influenza (C), and measles (D) are airborne or direct-contact diseases.
Question 2 of 5
The term 'natural history of disease' refers to:
Correct Answer: A
Rationale: Natural history (A) is disease progression without intervention (e.g., HIV stages). B, C, and D are unrelated aspects.
Question 3 of 5
Which of the following is a limitation of cross-sectional studies?
Correct Answer: C
Rationale: Cross-sectional studies (C) can’t determine causality due to simultaneous exposure-outcome measurement. A, B, and D may apply but aren’t primary.
Question 4 of 5
Which of the following best describes a cross-sectional study?
Correct Answer: C
Rationale: Cross-sectional studies (C) survey at one time (e.g., prevalence snapshot). A is cohort, B is case-control, D is RCT.
Question 5 of 5
In a case-control study, the control group consists of individuals who:
Correct Answer: B
Rationale: Controls (B) in case-control studies lack the disease for comparison. A is cases, C and D confuse exposure status.