ATI RN
Epidemiology Questions Questions
Question 1 of 5
The measure of central location most commonly used with the interquartile range is the:
Correct Answer: C
Rationale: The median, as the middle value, is typically paired with the IQR.
Question 2 of 5
Compared with a scatter diagram, a dot plot:
Correct Answer: B
Rationale: Dot plots use one continuous and one categorical variable, unlike scatter diagrams’ two continuous variables.
Question 3 of 5
Vital statistics provide an archive of certain health data. These data do not become surveillance data until they are analyzed, interpreted, and disseminated with the intent of influencing public health decision-making or action.
Correct Answer: A
Rationale: Vital statistics require analysis and dissemination to become actionable surveillance data.
Question 4 of 5
Which are the most common ways that a local health department uncovers outbreaks? (Choose one wrong answer)
Correct Answer: B
Rationale: Descriptive analysis (A) and calls (C, D) are primary detection methods. Time series (B) is less common for initial detection.
Question 5 of 5
The key feature of an analytic (epidemiologic) study is: (Select only one answer)
Correct Answer: D
Rationale: Comparison groups are the cornerstone of analytic studies.