CNA CNA Infection Control & Prevention 2

Question 1

Which of the following is the most effective method for sterilizing reusable medical instruments in a healthcare facility?

Accepted Answer

Autoclaving (steam sterilization under pressure)

Answer

Autoclaving uses pressurized steam (typically 121°C for 15–20 minutes) and is the gold standard for sterilizing heat-tolerant reusable medical instruments.

Question 2

A CNA is caring for a patient on droplet precautions for influenza. Which PPE is required when within 3 feet of the patient?

Accepted Answer

Surgical mask and eye protection

Answer

Droplet precautions require a surgical mask (and eye protection if splashing is possible) when within 3 feet of the patient, as influenza spreads through large respiratory droplets.

Question 3

What does the term 'healthcare-associated infection' (HAI) refer to?

Accepted Answer

An infection acquired during the delivery of healthcare that was not present at admission

Answer

An HAI is an infection that develops during the course of receiving healthcare treatment and was not present or incubating at the time of admission.

Question 4

To prevent catheter-associated urinary tract infections (CAUTIs), a CNA should:

Accepted Answer

Maintain a closed drainage system and keep the bag below bladder level

Answer

CAUTI prevention requires maintaining a closed urinary drainage system with the collection bag positioned below bladder level to prevent reflux of urine back into the bladder.

Question 5

Which of the following is an example of the 'chain of infection' being broken at the 'mode of transmission' link?

Accepted Answer

Washing hands before touching a patient

Answer

Hand washing breaks the chain of infection at the mode of transmission link by removing pathogens from the caregiver's hands before they can transfer to a new host.

CNA Practice Test

CNA Practice Test

CNA CNA Infection Control & Prevention 2