Nursing assistant (CNA) knowledge worksheet with answers

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

1. A80% to 85%
2. B95% to 100%
3. C70% to 75%
4. D60% to 65%

Which helps promote sleep for a resident at night?

1. ABright lights and the television turned up loud until late
2. BA quiet, dim room and a regular bedtime routine
3. CStrong coffee with the evening snack
4. DWaking the resident often to chat

What is edema?

1. ASwelling caused by extra fluid in the body tissues
2. BRedness caused by pressure on the skin
3. CA bruise caused by bleeding under the skin after a fall
4. DA rash caused by an allergy

Why can bed side rails be dangerous for some residents?

1. AThey make the call light stop working
2. BThey make the bed too warm and stuffy for the resident
3. CResidents can get trapped in gaps or fall climbing over them
4. DThey are only dangerous for staff, who may pinch their fingers

When a new resident is admitted, which task is often done by the nursing assistant?

1. ADeciding which medicines the resident will take each day
2. BWriting the resident's care plan and the first nursing assessment
3. CExplaining the resident's diagnosis to the family
4. DMeasuring height, weight and vital signs and listing belongings

When measuring blood pressure in the arm, where is the stethoscope placed?

1. AOver the carotid artery in the neck
2. BOver the heart on the chest
3. COver the brachial artery at the inner elbow
4. DOver the radial artery on the thumb side of the wrist

A resident sitting up in bed keeps sliding toward the foot of the bed. What should the nursing assistant do?

1. ATie a sheet across her chest to keep her from sliding down again
2. BPull her up by her arms on your own so she is not kept waiting
3. CLeave her where she is so she is not disturbed
4. DMove her up with a lift sheet and a helper, and check the care plan

A doctor calls the unit and starts telling the nursing assistant a new order for a resident. What should the nursing assistant do?

1. APolitely ask the doctor to hold and get the nurse
2. BWrite the order on a sticky note for the nurse
3. CTell the doctor to call back tomorrow
4. DWrite the order down and carry it out right away