ATI LPN
Infection Control Exam Questions Answers Questions
Question 1 of 5
A positive culture always means infection.
Correct Answer: B
Rationale: A positive culture indicates presence of organisms but does not always signify active infection.
Question 2 of 5
The IP is teaching nurses how to assess injection risks in patients. Depletion of what cell type provides the best indication of susceptibility to most bacterial infections?
Correct Answer: C
Rationale: Neutrophils are the primary responders to bacterial infections; their depletion (neutropenia) significantly increases susceptibility.
Question 3 of 5
A pandemic differs from an epidemic in that:
Correct Answer: D
Rationale: A pandemic spans multiple countries or continents, unlike an epidemic, which is more localized.
Question 4 of 5
CLASSI rate = 4 CLABSI/284 line days, Predicted Infections = 0.50, What is the SIR?
Correct Answer: A
Rationale: SIR = observed/predicted = 4/0.50 = 8.
Question 5 of 5
Direct observation of performance by an individual of a specific skill may yield a temporary and artificial high result. This phenomenon is known as the:
Correct Answer: A
Rationale: The Hawthorne effect describes improved performance due to being observed.