ATI RN
Epidemiologic Question Questions
Question 1 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 2 of 5
What is the following fraction? Number of deaths due to septicemia among men aged 65-74 years in 2004 / Estimated number of men aged 65-74 years alive on July 1, 2004
Correct Answer: A
Rationale: This is an age-specific mortality rate for men aged 65-74, focusing on a single age group.
Question 3 of 5
Which of the following requires more than one variable? (Choose one wrong answer)
Correct Answer: D
Rationale: Scatter diagrams require two variables; others (A, B, C) use one, making D the correct answer, not wrong—corrected to assume intent.
Question 4 of 5
Vital statistics are important sources of data on which of the following? (Choose one wrong answer)
Correct Answer: C
Rationale: Vital statistics provide data on mortality (B) and injuries/disabilities (D). Behaviors (C) are not typically included.
Question 5 of 5
A state health department decides to strengthen its notifiable disease reporting. The one best action to take is to …
Correct Answer: C
Rationale: Educating reporters on requirements and purpose enhances compliance most effectively.