Nursing assistant (CNA) knowledge worksheet with answers

During handwashing at a sink, in which direction should the fingertips point?

1. AAny direction, as long as soap is used
2. BUpward, higher than the elbows
3. CDownward, lower than the wrists
4. DToward the nursing assistant's face

When a resident lies on their back, which areas are at the greatest risk of pressure injury?

1. AThe palms of the hands
2. BThe tailbone (sacrum) and the heels
3. CThe knees and the fronts of the thighs
4. DThe abdomen and the chest

On which side does a resident with one-sided leg weakness usually hold a cane?

1. AThe weak (affected) side
2. BIn front of the body, with both hands
3. CThe strong (unaffected) side
4. DEither side, changing every few steps

How should the drainage tubing of a urinary catheter be arranged while the resident is in bed?

1. ATied in a knot to keep it from moving
2. BCoiled on the bed, secured and free of kinks
3. CTucked under the resident's leg to hold it in place
4. DLooped below the bag so urine collects in the loop

During a warm soak, the resident's skin becomes very red and she says it burns. What should the nursing assistant do?

1. AStop the treatment and report it to the nurse
2. BContinue because redness shows it is working
3. CCover the area with a towel and continue
4. DAdd cold water and continue the soak

What is a chemical restraint?

1. AA drug used to control behavior for convenience, not as treatment
2. BA soft belt that is treated with a chemical to keep it clean
3. CA medicine that is given to relieve pain
4. DA cleaning chemical that is kept locked away from the residents

A resident with COPD is short of breath and asks the nursing assistant to turn up her oxygen. What should the nursing assistant do?

1. ATell her to rest quietly and wait until the nurse comes by on the next round
2. BHelp her sit up, explain only the nurse adjusts oxygen, and call the nurse
3. CTurn the oxygen off for a while and open a window for fresh air
4. DTurn the oxygen up a little, then tell the nurse what was done

Which action best prevents a nursing assistant from leaving a resident unattended in a raised bed while making an occupied bed?

1. AGathering all the needed linen before starting
2. BWorking as quickly as possible without stopping
3. CAsking the resident to hold the edge of the mattress
4. DRaising the bed only after the linen is removed