Nursing assistant (CNA) knowledge worksheet with answers

Which tool is commonly used to clean under the fingernails during nail care?

1. AA metal fork
2. BA razor blade
3. CA straight pin
4. DAn orangewood stick

What does NPO mean on a resident's care plan?

1. ANormal portions only
2. BNo physical outings
3. CNothing by mouth
4. DNutrition plan optional

What happens in heart failure?

1. AThe blood vessels of the brain become blocked
2. BThe heart does not pump well enough, so fluid can build up in the body
3. CThe heart stops beating completely and cannot be restarted by any means
4. DThe heart beats too fast only during exercise

A resident with an intellectual disability is learning to make his own bed. Which approach helps most?

1. AExplain all the steps at once, then leave him to try it on his own
2. BTeach one simple step at a time, praise success and be patient
3. CCorrect every mistake in front of others
4. DMake the bed for him because it is faster

How is height measured for a resident who cannot stand?

1. ABy asking the resident's family how tall the resident is
2. BBy estimating from the resident's shoe size
3. CWith a tape measure while the resident lies flat in bed
4. DBy measuring the resident sitting in a wheelchair

Which vision change commonly occurs with aging?

1. ADifficulty focusing on close objects
2. BSudden loss of all vision in one eye
3. CBetter night vision than when younger
4. DA need for less light when reading

A resident who is choking can still cough forcefully and speak a few words. What should the nursing assistant do?

1. AHit him hard on the back while he is upright
2. BGive him a glass of water to wash the food down
3. CBegin abdominal thrusts right away before the blockage gets worse
4. DEncourage him to keep coughing, stay with him and call for help

A dying resident no longer wants to eat or drink. Her family urges the nursing assistant to make her eat. What should the nursing assistant do?

1. AOffer small amounts if she wants them, never force, and tell the nurse
2. BTell the family that eating no longer matters and nothing can be done
3. CStop offering any food or drink
4. DFeed her the whole meal even if she turns her head away from the spoon