CCMA Infection Control and Sterilization

Question 1

Which hand hygiene method is most effective at eliminating C. difficile spores?

Accepted Answer

Soap and water handwashing

Answer

Soap and water is required for C. difficile because alcohol-based products do not destroy its spores.

Question 2

What level of disinfection is required for semi-critical medical instruments that contact mucous membranes?

Accepted Answer

High-level disinfection

Answer

High-level disinfection destroys all microorganisms except some bacterial spores and is required for semi-critical items.

Question 3

What does the acronym PPE stand for in infection control?

Accepted Answer

Personal Protective Equipment

Answer

PPE stands for Personal Protective Equipment and includes gloves, gowns, masks, and eye protection.

Question 4

Which type of isolation is used for patients with airborne diseases such as tuberculosis?

Accepted Answer

Airborne isolation

Answer

Airborne isolation requires a negative-pressure room and N95 respirators to prevent transmission of tiny airborne particles.

Question 5

Which autoclave sterilization cycle parameter is the standard for wrapped surgical instruments?

Accepted Answer

270°F for 20 minutes

Answer

The gravity cycle at 250°F for 30 minutes or the pre-vacuum cycle at 270°F for 4 minutes are both standard; for wrapped items the 270°F/4 min pre-vacuum cycle is common.

CCMA - Certified Clinical Medical Assistant Practice Test

CCMA - Certified Clinical Medical Assistant Practice Test

CCMA Infection Control and Sterilization