ATI RN
Epidemiology Test Questions and Answers PDF Questions
Question 1 of 5
A spot map must reflect numbers; an area map must reflect rates.
Correct Answer: B
Rationale: Spot maps show case numbers by location; area maps can show rates or numbers.
Question 2 of 5
Factors that influence a health department’s decision whether or not to conduct a field investigation in response to one or more cases of disease include: (Choose one wrong answer)
Correct Answer: C
Rationale: All factors (A, B, C, D) influence decisions; C is correct, so misinterpreted—none are wrong.
Question 3 of 5
Which food is the most likely culprit? [Referring to data in Q19: Ate Specified Food vs. Did Not Eat Specified Food]
Correct Answer: D
Rationale: Missing Q19 data prevents identifying the culprit food.
Question 4 of 5
A study in which children are randomly assigned to receive either a newly formulated vaccine or the currently available vaccine, and are followed to monitor for side effects and effectiveness of each vaccine, is an example of which type of study? (Choose one wrong answer)
Correct Answer: B
Rationale: Randomization makes it experimental (A), not observational (B).
Question 5 of 5
Common uses and applications of public health surveillance include which of the following? (Choose one wrong answer)
Correct Answer: A
Rationale: Surveillance aids allocation (B), trends (C), and evaluation (D). Detection (A) is clinical.