ATI RN
Epidemiologic Question Questions
Question 1 of 5
Metals that have been associated with an increased incidence of lung cancer in occupationally exposed workers include
Correct Answer: C
Rationale: Chromium (hexavalent) is linked; others not.
Question 2 of 5
The mental disorders that appear to be more prevalent among males include
Correct Answer: A
Rationale: Men higher in substance abuse.
Question 3 of 5
Public health surveillance includes which of the following activities: (Choose one wrong answer)
Correct Answer: A
Rationale: Surveillance involves collecting case reports (B), graphing trends (C), and reporting data (D). Diagnosing individual cases (A) is a clinical activity, not surveillance.
Question 4 of 5
The epidemiologic triad of disease causation refers to: (Choose one best answer)
Correct Answer: A
Rationale: The triad—agent (cause), host (affected), environment (context)—explains disease causation. Other options are unrelated frameworks or people.
Question 5 of 5
The interquartile range covers what proportion of a distribution?
Correct Answer: B
Rationale: The IQR spans the middle 50% of the data, from Q1 to Q3.