General CNA Practice CNA Practice Infection Control and Prevention 2

Question 1

A resident has been diagnosed with Clostridium difficile (C. diff). Which type of isolation precautions should the CNA follow?

Accepted Answer

Contact precautions

Answer

C. diff spreads via the fecal-oral route and contaminated surfaces, requiring contact precautions including gown and gloves.

Question 2

When caring for a resident in contact isolation, in what order should the CNA remove PPE before leaving the room?

Accepted Answer

Gloves, gown, mask, hand hygiene

Answer

The correct doffing order is gloves first (most contaminated), then gown, then mask, followed by hand hygiene.

Question 3

Which of the following is the MOST effective method to prevent the spread of C. diff spores on hands?

Accepted Answer

Soap and water handwashing

Answer

Alcohol-based sanitizers do not kill C. diff spores; soap and water handwashing is required to mechanically remove them.

Question 4

A CNA notices that the biohazard sharps container is three-quarters full. What should the CNA do?

Accepted Answer

Report it so it can be replaced before it is full

Answer

Sharps containers should be replaced when three-quarters full to prevent needlestick injuries from overfilling.

Question 5

Which type of microorganism is NOT destroyed by standard disinfectants and requires sterilization?

Accepted Answer

Bacterial spores

Answer

Bacterial spores are highly resistant and require sterilization methods such as autoclaving rather than standard disinfection.

General Practice Test