ATI LPN
Infection Control Questions Quizlet Questions
Question 1 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 2 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).
Question 3 of 5
Which of the following questions should be asked when evaluating results from a research study? 1) Were the instruments valid for the study? 2) Is this a peer-reviewed research journal? 3) Was the sample representative of the intended population? 4) Do the conclusions prove the hypothesis?
Correct Answer: A
Rationale: Validity, peer review, and representativeness are key; conclusions don't 'prove' but support hypotheses.
Question 4 of 5
The most common organism associated with pneumonia in school-aged children and young adults
Correct Answer: D
Rationale: Mycoplasma is uncommon under the age of 5 but is the leading cause of pneumonia in school-aged children and young adults.
Question 5 of 5
What clinical feature is consistent with a diagnosis of community-acquired MRSA (CA-MRSA) infection?
Correct Answer: B
Rationale: CA-MRSA infections typically present in outpatient settings without prior hospitalization.