IAHCSMM Infection Prevention and Microbiology 2

Question 1

Which type of microorganism is most resistant to standard sterilization methods and requires the highest level of killing?

Accepted Answer

Bacterial spores

Answer

Bacterial spores are the most resistant form of microbial life and are used as the benchmark for sterilization efficacy.

Question 2

What is the Spaulding Classification for an instrument that contacts only intact skin?

Accepted Answer

Non-critical

Answer

Non-critical items contact intact skin only and require low-level disinfection at minimum.

Question 3

Healthcare-associated infections (HAIs) are BEST prevented in the CS department by:

Accepted Answer

Ensuring complete decontamination and sterilization of reusable devices

Answer

Proper decontamination and sterilization of reusable devices is the CS department's primary role in HAI prevention.

Question 4

Gram-positive bacteria appear what color after Gram staining?

Accepted Answer

Blue or purple

Answer

Gram-positive bacteria retain the crystal violet dye and appear blue or purple under microscopy.

Question 5

Which bloodborne pathogen is MOST stable in the environment and can survive on surfaces for up to 7 days?

Accepted Answer

HBV

Answer

Hepatitis B virus (HBV) is extremely stable and can remain infectious on environmental surfaces for up to 7 days.

(IAHCSMM) International Association of Healthcare Central Service Material Manage Practice Test