ATI RN
Epidemiology NCLEX Questions Questions
Question 1 of 5
Which of the following shapes of a population pyramid is most consistent with a young population?
Correct Answer: C
Rationale: A broad base (triangle base down) indicates high birth rates, typical of a young population.
Question 2 of 5
Underreporting is not a problem for detecting outbreaks of notifiable diseases because the proportion of cases reported tends to remain relatively stable over time.
Correct Answer: B
Rationale: Underreporting can obscure outbreaks if case numbers drop below detection thresholds.
Question 3 of 5
A case report form devised for an outbreak investigation usually includes which of the following types of information? (Choose one wrong answer)
Correct Answer: A
Rationale: Forms include all (A, B, C, D); A is correct, so misinterpreted—none are wrong.
Question 4 of 5
A specific case definition is one that: (Choose one wrong answer)
Correct Answer: B
Rationale: Specific definitions target true cases (A) and may exclude mild ones (D). 'Loose' (B) applies to sensitivity.
Question 5 of 5
A propagated epidemic is usually the result of what type of exposure? (Choose one best answer)
Correct Answer: D
Rationale: Propagated epidemics result from person-to-person spread.