ATI RN
Epidemiology Exam Questions and Answers DOC Questions
Question 1 of 5
Informed consent must include all of the following EXCEPT:
Correct Answer: C
Rationale: Informed consent excludes exact results (C) as they’re unknown pre-study. A, B, and D are required (e.g., purpose, risks, voluntariness).
Question 2 of 5
What is the main goal of primary prevention?
Correct Answer: B
Rationale: Primary prevention (B) stops disease before it starts (e.g., vaccination). A is secondary, C and D are tertiary.
Question 3 of 5
What does the term 'incidence' measure in epidemiology?
Correct Answer: B
Rationale: Incidence (B) measures new cases (e.g., 100/year). A is prevalence, C is mortality, D is prevalence.
Question 4 of 5
Which criterion is considered the most important for establishing causality?
Correct Answer: C
Rationale: Temporality (C) is essential; exposure must precede outcome (e.g., smoking before cancer). A, B, and D support but aren’t absolute.
Question 5 of 5
The bacteria that are involved in nosocomial (hospital-associated) infections are transmitted most often by
Correct Answer: D
Rationale: Hands are the primary vector (e.g., MRSA spread).