CNA Practice Test: Infection Control
- Infection Control
- 10 questions
- 12 minutes
These 10 questions cover hand hygiene, gloves and other PPE, transmission-based precautions and clean versus dirty items. Ask yourself in each case what could carry germs from one place to the next.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
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Question 1
You finish perineal care and next need to brush the same resident's teeth. What should you do with your gloves?
Correct answer: A
Gloves used for perineal care are contaminated, so you remove them, perform hand hygiene and use new gloves before mouth care. Staying with the same resident does not make dirty gloves clean.
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Question 2
When washing your hands with soap and water, what is the minimum time you should rub all surfaces with lather?
Correct answer: D
Hand hygiene guidelines and the CNA skills test call for rubbing with soap for at least 20 seconds. Shorter scrubbing leaves germs on the fingertips, between the fingers and under the nails.
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Question 3
Which action breaks the chain of infection at the link called the mode of transmission?
Correct answer: B
Germs travel from person to person on hands, so hand hygiene blocks the mode of transmission. Vaccines and good nutrition strengthen the susceptible host, a different link.
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Question 4
A clean sheet slips off the bed and touches the floor while you are making the bed. What should you do?
Correct answer: A
The floor is always considered dirty, so linen that touches it is contaminated. A sheet can carry germs even when no stain is visible.
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Question 5
How should you carry used linen from a resident's bed to the hamper?
Correct answer: A
Used linen is held away from your body so germs do not transfer to your uniform and then to the next resident. Shaking it also spreads germs into the air.
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Question 6
You are putting on a gown, a mask, goggles and gloves before entering an isolation room. Which item do you put on first?
Correct answer: B
The usual order is gown, mask, goggles, then gloves. Gloves go on last so their cuffs can be pulled over the gown sleeves.
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Question 7
Why are gloves usually the first item of PPE you take off when leaving an isolation room?
Correct answer: D
Gloves touch the resident and the room directly, so they carry the most germs. Taking them off first keeps your hands from spreading those germs to your face while removing the rest.
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Question 8
A resident has been diagnosed with active tuberculosis of the lungs. Which type of precautions is used?
Correct answer: B
Tuberculosis spreads through tiny particles that stay in the air, so airborne precautions with a fitted respirator are needed. Droplet precautions are for larger droplets, as with the flu.
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Question 9
Standard precautions are used in the care of which residents?
Correct answer: C
Standard precautions treat all blood and body fluids as possibly infectious, because many infections are not yet known. They apply to everyone, with extra precautions added when needed.
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Question 10
You have just cared for a resident with C. difficile diarrhea. Which hand hygiene is correct afterward?
Correct answer: C
Alcohol hand rub does not kill C. difficile spores, so hands must be washed with soap and water, which removes the spores by rubbing and rinsing.
Questions you leave blank are not counted as wrong.
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