CMA CMA Infection Control & Sterilization 2

Question 1

Which organism type is most resistant to standard sterilization methods?

Accepted Answer

Bacterial endospores

Answer

Bacterial endospores (such as those of Clostridioides difficile) are highly resistant to heat, chemicals, and radiation.

Question 2

Airborne precautions are required for which of the following conditions?

Accepted Answer

Active tuberculosis (TB)

Answer

Active tuberculosis requires airborne precautions because Mycobacterium tuberculosis is spread through tiny airborne droplet nuclei that remain suspended in the air.

Question 3

When removing contaminated gloves, what is the correct first step?

Accepted Answer

Grasp the outside of one glove at the wrist and peel it off

Answer

The correct technique is to grasp the outside of one glove at the wrist and peel it off, turning it inside out to contain contaminants.

Question 4

Which solution is used as a high-level disinfectant for semi-critical medical instruments?

Accepted Answer

Glutaraldehyde

Answer

Glutaraldehyde is a high-level disinfectant effective against bacteria, viruses, fungi, and most spores, used for semi-critical items like endoscopes.

Question 5

A biological indicator (spore test) is used to verify the effectiveness of which process?

Accepted Answer

Sterilization

Answer

Biological indicators containing highly resistant bacterial spores are the gold standard for confirming that sterilization cycles have been successful.

CMA - Certified Medical Aide Practice Test

CMA - Certified Medical Aide Practice Test

CMA CMA Infection Control & Sterilization 2