ATI LPN
Chapter 5 Infection Control Review Questions Questions
Question 1 of 5
One attack of tuberculosis gives lifelong immunity.
Correct Answer: B
Rationale: Previous TB infection does not guarantee lifelong immunity; reinfection can occur.
Question 2 of 5
Compared to bacteria, protozoa are much smaller in size.
Correct Answer: B
Rationale: Protozoa are generally larger than bacteria; bacteria are microscopic prokaryotes, while protozoa are eukaryotic.
Question 3 of 5
Which of the following statements about influenza is FALSE?
Correct Answer: B
Rationale: Viral shedding typically begins 24-48 hours before symptoms and not 48-72 hours after infection, making B the false statement.
Question 4 of 5
The use of influenza vaccines in school age children to decrease the number of cases in the community uses the principle of:
Correct Answer: C
Rationale: Herd immunity reduces community transmission by vaccinating a significant portion of the population.
Question 5 of 5
Using a device associated infection formula, calculate the rate for 1000 vent days: 4 cases of VAE, 800 ventilator days
Correct Answer: A
Rationale: Rate = (4/800) * 1000 = 5 per 1000 vent days.