CCBMA Infection Control and Safety 2

Question 1

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

Accepted Answer

High-level disinfection

Answer

Semi-critical items require high-level disinfection to eliminate all microorganisms except high numbers of bacterial spores.

Question 2

What is the correct donning order for PPE when entering an isolation room?

Accepted Answer

Gown, mask/respirator, eye protection, gloves

Answer

Gown first, then mask/respirator, eye protection, and gloves last ensures hands do not contaminate the face before eye and respiratory protection is in place.

Question 3

A patient is diagnosed with active tuberculosis. Which type of isolation precautions should be implemented?

Accepted Answer

Airborne precautions

Answer

Tuberculosis is transmitted via airborne droplet nuclei and requires airborne precautions including a negative-pressure room and N95 respirator.

Question 4

Which agent is the most appropriate disinfectant for cleaning blood spills on environmental surfaces?

Accepted Answer

Bleach solution (1:10 dilution)

Answer

A 1:10 bleach solution is an EPA-registered disinfectant effective against bloodborne pathogens on hard surfaces.

Question 5

According to the chain of infection, which link is addressed when a patient receives an influenza vaccination?

Accepted Answer

Susceptible host

Answer

Vaccination strengthens the susceptible host's immunity, breaking the chain of infection at that point.

CCBMA - California Certifying Board for Medical Assistants Practice Test

CCBMA - California Certifying Board for Medical Assistants Practice Test

CCBMA Infection Control and Safety 2