Nursing assistant (CNA) knowledge worksheet with answers

For most healthy adults, which pulse oximeter (oxygen saturation) reading is normal?

1. A80% to 85%
2. B70% to 75%
3. C95% to 100%
4. D60% to 65%

In which direction is a female resident's perineal area cleaned?

1. AIn any direction, if a clean washcloth is used
2. BIn circles starting at the anus
3. CFrom back to front
4. DFrom front to back

In the chain of infection, what is a "susceptible host"?

1. AAn object that carries the germ between people
2. BThe way the germ leaves an infected person
3. CA person who can become sick from the germ
4. DThe place where the germ lives and grows

Why does a resident sit on the edge of the bed for a short time (dangle) before standing?

1. ATo let the blood pressure adjust and prevent dizziness
2. BTo stretch the muscles of the lower back before standing up
3. CTo give the bed time to lower itself
4. DTo warm the feet before putting on shoes

Which team member usually evaluates a resident's swallowing problems?

1. AThe social worker
2. BThe physical therapist
3. CThe activities director
4. DThe speech-language pathologist

Which sense is thought to remain the longest in a dying person?

1. ATaste
2. BSight
3. CHearing
4. DSmell

A resident has slurred speech and weakness in one arm that go away after about 10 minutes. What should the nursing assistant do?

1. AGive the resident a large drink of water
2. BTell the resident to rest and mention it next week
3. CReport it right away, as it may be a warning sign of stroke
4. DDo nothing more, because the signs have already gone away

A resident has a new arm cast. Which finding should be reported right away?

1. AFingers that are pink and warm
2. BFingers that are cold, pale or numb
3. CA cast that feels hard and dry
4. DA cast with the resident's name written on it