CMA Infection Control and Safety 3

Question 1

Which of the following is an example of a fomite in disease transmission?

Accepted Answer

A contaminated stethoscope

Answer

A fomite is an inanimate object that can harbor and transfer pathogens; a contaminated stethoscope is a classic example in healthcare settings.

Question 2

When using an alcohol-based hand rub, how long should rubbing continue?

Accepted Answer

Until hands feel dry (approximately 15–20 seconds)

Answer

Alcohol-based hand rubs should be rubbed into all hand surfaces until hands are dry, which takes approximately 15–20 seconds for proper antimicrobial action.

Question 3

Which type of waste container must be used for disposal of a lancet after a fingerstick blood glucose test?

Accepted Answer

Sharps container

Answer

Lancets are sharps and must be disposed of directly into a puncture-resistant sharps container immediately after use to prevent needlestick injuries.

Question 4

The chain of infection includes six links. Which link represents the mode of transmission?

Accepted Answer

Means by which the pathogen travels from reservoir to host

Answer

The mode of transmission is the means by which a pathogen travels from its reservoir to a susceptible host, such as direct contact, droplets, or airborne spread.

Question 5

A patient with Clostridium difficile (C. diff) infection requires which type of precautions?

Accepted Answer

Contact precautions with soap-and-water hand hygiene

Answer

C. difficile requires contact precautions, and alcohol-based hand rubs are ineffective against its spores, so soap and water hand washing is mandatory.

Certified Medical Assistant Exam Practice Test

Certified Medical Assistant Exam Practice Test

CMA Infection Control and Safety 3