Nursing assistant (CNA) knowledge worksheet with answers

What does the top number (systolic) of a blood pressure reading measure?

1. AThe pressure in the arteries when the heart contracts
2. BThe amount of oxygen carried in the blood
3. CThe pressure in the arteries when the heart rests
4. DThe number of heartbeats in one minute

When may a nursing assistant use an alcohol-based hand rub instead of soap and water?

1. AWhen the hands are greasy with food
2. BWhen there is blood on the hands
3. CWhen the hands are not visibly soiled
4. DAfter caring for a resident with C. difficile diarrhea

Under OSHA rules, how is the hepatitis B vaccine offered to nursing assistants who may be exposed to blood?

1. AOnly if the worker pays for it
2. BBy the employer, free of charge
3. COnly to workers older than 50
4. DOnly after an exposure has happened

Why are nutritional supplement drinks often served between meals?

1. ATo lower the resident's appetite for the next meal
2. BTo replace all of the resident's regular meals for the day
3. CTo replace the resident's water intake completely
4. DTo add calories and protein for residents who eat poorly

Which rule applies when giving range-of-motion exercises?

1. AExercise only the joints on the resident's strong side to avoid pain
2. BSupport the limb above and below the joint and move it gently
3. CPush the joint past the point of pain to stretch it
4. DMove each joint quickly as far as it will go

A resident's family brings a handmade quilt from home. What should the nursing assistant do?

1. AWelcome it, add it to the belongings list and label it
2. BTell the family that personal items are not allowed
3. CGive it to the laundry for use by all residents
4. DPut it in storage so that it does not get dirty or lost

A resident drinks 6 oz of juice, 8 oz of milk and 4 oz of water during breakfast. What is the intake in milliliters?

1. A480 mL
2. B540 mL
3. C600 mL
4. D360 mL

A resident's pulse was 72 at 0800, 88 at 1200 and 118 at 1600, and she feels warm. What should the nursing assistant do?

1. ARecord only the last pulse, since it is the newest reading
2. BReport the rising pulse and her warm skin to the nurse
3. CWait until 2000 to see if the pulse comes down
4. DReport only the 0800 pulse, which was normal