ATI RN
Infection Control Quiz Questions and Answers Questions
Question 1 of 5
A patient who has had abdominal surgery develops an infection in the wound while still hospitalized. Which of the following agents is most likely the cause of the infection?
Correct Answer: B
Rationale: Bacteria are the most common cause of postoperative wound infections due to their prevalence and ability to thrive in such environments.
Question 2 of 5
The following procedures have been ordered and implemented for a hospitalized patient. Which procedure carries the greatest risk for a nosocomial infection?
Correct Answer: D
Rationale: Urinary catheterization poses the highest risk due to the potential for introducing bacteria into the urinary tract.
Question 3 of 5
How long should a healthcare worker scrub hands that are not visibly soiled for effective hand hygiene?
Correct Answer: A
Rationale: The CDC recommends at least 15 seconds for an alcohol-based handrub when hands are not visibly soiled.
Question 4 of 5
An individual who, due to a range of factors, may become infected after exposure to a microorganism. What factors may affect the susceptibility of an individual to an infectious disease?(Select one that does not apply)
Correct Answer: D
Rationale: Age, comorbidities, and healthcare exposure (e.g., hospitalization) increase susceptibility by weakening immunity or increasing pathogen exposure.
Question 5 of 5
In CSF of a patient with viral meningitis, the most prominent white cell is usually?
Correct Answer: B
Rationale: Viral meningitis typically presents with a lymphocytic predominance in the CSF, unlike bacterial meningitis which shows polymorphonuclear leukocytes (neutrophils). Lymphocytes are the most prominent white cells in viral meningitis, making B the correct answer.