ATI RN
Epidemiology Question Bank Questions
Question 1 of 5
Which of the following mortality rates use the estimated total mid-year population as its denominator? (Choose one wrong answer)
Correct Answer: C
Rationale: Crude mortality rate (C) uses the total mid-year population; others use specific subgroups, but C is correct—misinterpreted as wrong in context.
Question 2 of 5
Health-care providers might be important sources of surveillance data used by public health officials, and they should receive feedback to close the surveillance loop as a courtesy; however, the results almost never have any relevance to patient care provided by those health-care providers.
Correct Answer: B
Rationale: Feedback from surveillance (e.g., outbreak alerts) directly informs patient care, making the statement false.
Question 3 of 5
The case definition used for surveillance of a health problem should be the same as the case definition used for clinical (treatment) purposes.
Correct Answer: B
Rationale: Surveillance definitions prioritize detection and may differ from clinical definitions focused on treatment.
Question 4 of 5
A spot map is particularly useful for displaying:
Correct Answer: A
Rationale: Spot maps plot individual case exposure locations.
Question 5 of 5
For the cruise ship scenario described in Question 7, how would you display the time course of the outbreak? (Choose one best answer)
Correct Answer: B
Rationale: Epidemic curves track outbreak timing effectively.