ATI RN
Infection Control Exam Questions Questions
Question 1 of 5
Which of the following chemical disinfectants kills all micro-organisms including viruses and spore forming bacteria?
Correct Answer: D
Rationale: Household bleach (sodium hypochlorite) can kill all microorganisms, including spores, when used appropriately, unlike the others.
Question 2 of 5
Which is the most common mode of infection transmission in healthcare settings?
Correct Answer: A
Rationale: Hands are the primary vehicle for transmitting pathogens in healthcare settings due to frequent contact with patients and surfaces.
Question 3 of 5
Which interventions improve the use of alcohol handrub?
Correct Answer: D
Rationale: All interventions—education, access, quality enhancement, and instructions—collectively boost alcohol handrub adoption.
Question 4 of 5
Which is TRUE about a tuberculin skin test (TST):
Correct Answer: C
Rationale: A positive TST indicates past exposure or latent TB, not necessarily active disease, making C true.
Question 5 of 5
The CDC recommendations for decreasing CLABSI include all the following except:
Correct Answer: B
Rationale: CDC advises against routine catheter replacement; it's only if indicated, making B incorrect.