Nursing assistant (CNA) knowledge worksheet with answers

Which blood pressure is in the normal range for an adult?

1. A172/104 mmHg
2. B84/48 mmHg
3. C150/96 mmHg
4. D116/76 mmHg

Which stance gives a nursing assistant the most stable base of support?

1. AStanding on one foot while reaching
2. BFeet close together
3. CFeet about shoulder-width apart
4. DStanding on the toes

How many chambers does the human heart have?

1. AFour
2. BTwo
3. CThree
4. DSix

Why is a lift (draw) sheet used to move a resident up in bed?

1. AIt removes the need to lower the head of the bed
2. BIt lets one person move any resident alone
3. CIt keeps the resident warmer while moving
4. DIt reduces friction and shearing on the skin

When can raised side rails count as a restraint?

1. ANever, because side rails are part of the bed
2. BOnly if the rails are padded
3. COnly during the night shift
4. DWhen they keep a resident from getting out of bed freely

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. BLooped below the bag so urine collects in the loop
3. CTucked under the resident's leg to hold it in place
4. DCoiled on the bed, secured and free of kinks

A resident complains that her roommate's television is loud at night and she cannot sleep. What should the nursing assistant do?

1. AUnplug the roommate's television while she is out of the room
2. BReport it and help find a solution that respects both residents
3. CMove her bed into the hallway for the night
4. DTell her to put up with it because it is a shared room

After 10 minutes, a resident's skin under an ice pack looks pale and white, and she says it feels numb. What should the nursing assistant do?

1. AMove the ice pack directly onto the skin
2. BLeave it on because the cold is working well
3. CRemove the ice pack and report it to the nurse
4. DAdd more ice to the pack