CNA CNA Infection Control & Prevention 5

Question 1

Which of the following best describes the purpose of surveillance cultures in a healthcare facility?

Accepted Answer

To identify colonized individuals and monitor infection trends before outbreaks occur

Answer

To treat active infections immediately

Answer

To determine which antibiotics a patient prefers

Answer

To sterilize equipment used on infected patients

Question 2

A CNA is caring for a resident with active pulmonary tuberculosis (TB). Which respiratory protection is required?

Accepted Answer

N95 respirator

Answer

Surgical mask

Answer

Simple cloth mask

Answer

No mask needed if the door is open

Question 3

The chain of infection includes a susceptible host. Which resident characteristic increases susceptibility to infection?

Accepted Answer

Compromised immune system due to chemotherapy

Answer

Young adult age

Answer

Intact skin with no wounds

Answer

Regular exercise routine

Question 4

Which hand hygiene method is NOT effective against C. difficile spores?

Accepted Answer

Alcohol-based hand rub (hand sanitizer)

Answer

Soap and water for at least 20 seconds

Answer

Vigorous mechanical scrubbing with soap

Answer

Using soap and running water

Question 5

A CNA accidentally splashes blood on their face. What is the correct immediate action?

Accepted Answer

Flush the affected area with water immediately and report to the supervisor

Answer

Wipe the face with a dry paper towel and report at end of shift

Answer

Apply antiseptic cream to the area and continue working

Answer

Wait for symptoms to appear before reporting

Question 6

Which item in a patient's room is considered a high-touch surface requiring frequent disinfection?

Accepted Answer

The call light button

Answer

The ceiling tiles

Answer

The window blinds cord

Answer

The floor baseboard

Question 7

A CNA is assigned to care for a resident in airborne precautions. The CNA has not been fit-tested for an N95. What should they do?

Accepted Answer

Inform the nurse and do not enter the room until properly fitted or reassigned

Answer

Use a surgical mask instead and enter the room

Answer

Double-mask with two surgical masks as a substitute

Answer

Enter briefly without any mask if the window is open