ATI LPN
Chapter 14 Infection Control Review Questions Questions
Question 1 of 5
The TB germ dies after a few minutes outside the human body.
Correct Answer: B
Rationale: TB bacteria can survive for weeks in certain conditions outside the body.
Question 2 of 5
A pathogenic endospore that is highly resistant to chemical and physical agents, and to the external environment.
Correct Answer: D
Rationale: Bacterial endospores (e.g., Clostridium) are highly resistant structures, unlike viruses, fungi, or parasites.
Question 3 of 5
Which of the following statements is false regarding expanded isolation?
Correct Answer: B
Rationale: Flowers, fruits, and vegetables are typically all restricted in isolation to prevent contamination.
Question 4 of 5
Which of the following is not considered one of the criteria for causality?
Correct Answer: D
Rationale: The exposure precedes the onset of disease, not the reverse.
Question 5 of 5
What percentage of patients had LOS between days 3 and 7 days? (use chart on slide 27 of this presentation)
Correct Answer: A
Rationale: Assuming a normal distribution, 68.2% is typical for 1 standard deviation, often used in such questions without a chart.