Nursing assistant (CNA) knowledge worksheet with answers

Why are older adults at higher risk of dehydration?

1. AThey need no fluids at night
2. BTheir sense of thirst often decreases
3. CTheir kidneys stop making urine
4. DThey sweat much more than younger adults

How should a nursing assistant turn off a hand-operated faucet after washing and drying the hands?

1. AWith the wet hands before drying them
2. BWith the clean bare hands
3. CBy leaving the water running for the next person
4. DWith a clean, dry paper towel

In a resident with darker skin, which change may be an early sign of a pressure injury?

1. AA freckle that the resident has had for many years
2. BA small amount of dry skin on the elbows
3. CA darker or purplish area, or one warmer or firmer than nearby skin
4. DSkin that looks the same as the surrounding skin and feels normal

A resident uses an artificial leg (prosthesis). Which is part of the nursing assistant's care?

1. AAdjusting the fit of the prosthesis with tools when it feels loose
2. BChecking the skin of the residual limb and reporting sores
3. CLeaving the prosthesis on day and night
4. DDeciding when the resident no longer needs the prosthesis

How does a nursing assistant protect a resident's privacy during personal care?

1. AClose the door and curtain, and keep the resident covered except where care is given
2. BLeave the door open so other staff can help quickly
3. CTalk about the care loudly so the roommate knows what is happening
4. DUncover the resident fully to save time

How should a nursing assistant hold a gait belt while walking with a resident?

1. AWith an underhand grip, from behind and slightly to the side
2. BBy tying the belt to the nursing assistant's own waist
3. CWith one finger hooked through the belt from the front of the resident
4. DBy holding the resident's hand instead of the belt

A pulse oximeter on a resident with very cold fingers reads 84%. The resident is talking comfortably. What should the nursing assistant do?

1. AReport the reading to the nurse and mention the cold fingers
2. BIgnore the reading because the machine must be broken by the cold
3. CRemove the resident's oxygen until the hands warm up
4. DTurn up the oxygen flow rate on the resident's oxygen

A resident says her knee hurts. Which information is most useful to report to the nurse?

1. AWhere it hurts, how bad it is (0–10), what it feels like and when it began
2. BThat she often complains about pain and probably wants attention
3. COnly that she has pain, since the nurse will ask the details later
4. DYour own opinion that the pain cannot be very severe, because she is smiling