ATI RN
Epidemiology Multiple Choice Questions Questions
Question 1 of 5
On an arithmetic-scale line graph, the x-axis and y-axis each should: (Choose one wrong answer)
Correct Answer: D
Rationale: Labels (B) and proportional scaling (C) are essential. Starting at zero (A) is optional, and uniform spacing (D) is not required.
Question 2 of 5
The primary reason for preparing and distributing periodic surveillance summaries is which of the following?
Correct Answer: B
Rationale: Summaries aim to inform stakeholders about current disease trends and patterns.
Question 3 of 5
Common methods of identifying additional cases (expanding surveillance) as part of an outbreak investigation include: (Choose one wrong answer)
Correct Answer: B
Rationale: All methods (A, B, C, D) are standard; B is correct, so misinterpreted—none are wrong.
Question 4 of 5
A number of passengers on a cruise ship from Puerto Rico to the Panama Canal have recently developed a gastrointestinal illness compatible with norovirus (formerly called Norwalk-like virus). Testing for norovirus is not readily available in any nearby island, and the test takes several days even where available. Assuming you are the epidemiologist called on to board the ship and investigate this possible outbreak, your case definition should include, at a minimum: (Choose one best answer)
Correct Answer: A
Rationale: Case definitions need clinical and contextual (time, place, person) details for outbreak precision.
Question 5 of 5
Disease control measures are generally directed at which of the following? (Choose one wrong answer)
Correct Answer: C
Rationale: Control targets reservoirs (A), vectors (B), and transmission (D), not hosts (C).