ATI LPN
Infection Control Questions Quizlet Questions
Question 1 of 5
Once infected a healthy person has a 10% lifetime risk of developing active disease.
Correct Answer: A
Rationale: About 5-10% of immunocompetent individuals with latent TB infection will develop active TB during their lifetime.
Question 2 of 5
Which is not an example of a 'carrier' type of infection?
Correct Answer: A
Rationale: Allergies are not infections; HIV, typhoid, and staph can be carried asymptomatically.
Question 3 of 5
A patient has a nasal swab positive for methicillin-resistant Staphylococcus aureus (MRSA) in the absence of symptoms. This is an example of:
Correct Answer: B
Rationale: Colonization refers to the presence of a pathogen like MRSA without causing disease symptoms.
Question 4 of 5
A patient with bacterial meningitis due to Neisseria meningitidis requires what type of TBP?
Correct Answer: D
Rationale: Neisseria meningitidis is transmitted via droplets, requiring droplet precautions.
Question 5 of 5
A hundred college freshmen were monitored for colds during the winter. 55 are smokers. 75 \% of the smokers had 2 or more colds. 20 \% of the non-smokers had 2 or more colds. What type of study was this?
Correct Answer: B
Rationale: This is a cohort study, following a group over time to compare outcomes (colds) based on exposure (smoking).