ATI RN
Infection Control Exam Questions Questions
Question 1 of 5
The commonest blood borne viruses is
Correct Answer: D
Rationale: Hepatitis B (HBV), Hepatitis C (HCV), and HIV are all common blood-borne viruses transmitted in healthcare settings.
Question 2 of 5
Which one of the following microbial classes is a major cause of infection in the HCF?
Correct Answer: A
Rationale: Bacterial infections (e.g., MRSA, E. coli) are the major cause of HCF infections due to their prevalence and resistance patterns.
Question 3 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 4 of 5
Which one of the 'five moments for hand hygiene' is the most important?
Correct Answer: D
Rationale: All five moments (before patient contact, before aseptic tasks, after body fluid exposure, after patient contact, after surroundings contact) are equally critical to break the chain of infection.
Question 5 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.