ATI RN
Epidemiology Exam Questions and Answers DOC Questions
Question 1 of 5
The mean is the value that:
Correct Answer: D
Rationale: The mean is the average, representing the central tendency closest to all values.
Question 2 of 5
The following are reasonable categories for a disease that mostly affects people over age 65 years: Age Group < 65 years, 65–70, 70–75, 75–80, 80–85, 85
Correct Answer: A
Rationale: These categories focus on older ages, appropriate for a disease prevalent in those over 65.
Question 3 of 5
Current public health surveillance targets which of the following? (Choose one wrong answer)
Correct Answer: D
Rationale: Surveillance targets all (A, B, C, D); D is correct, so misinterpreted—none are wrong.
Question 4 of 5
Routine analysis of notifiable disease surveillance data at the state health department might include looking at the number of cases of a disease reported this week … (Choose one wrong answer)
Correct Answer: A
Rationale: All options (A, B, C, D) are standard; A is correct, so misinterpreted—none are wrong.
Question 5 of 5
Ideally, a case definition is 100% accurate in identifying who does and does not have the disease in question, but in reality few case definitions achieve this ideal.
Correct Answer: A
Rationale: Perfect accuracy is the goal, but variability limits real-world case definitions.