Nursing assistant (CNA) knowledge worksheet with answers

When a resident lies on their back, which areas are at the greatest risk of pressure injury?

1. AThe knees and the fronts of the thighs
2. BThe tailbone (sacrum) and the heels
3. CThe palms of the hands
4. DThe abdomen and the chest

During handwashing at a sink, in which direction should the fingertips point?

1. AAny direction, as long as soap is used
2. BDownward, lower than the wrists
3. CToward the nursing assistant's face
4. DUpward, higher than the elbows

Which food is a good source of fiber that helps prevent constipation?

1. ABran cereal
2. BCheese
3. CWhite bread
4. DIce cream

In which position is a resident usually placed to receive an enema?

1. ALeft Sims' (left side-lying) position
2. BHigh Fowler's position
3. CProne (on the stomach)
4. DRight side-lying with the legs straight

Before giving care in bed, such as a bed bath, how high should the nursing assistant raise the bed?

1. ALeave it in the lowest position for safety
2. BTo a comfortable working height, about waist level
3. CRaise only the head of the bed to about 45 degrees
4. DTo the highest position the bed can reach

Which practice helps prevent skin tears in an older resident?

1. AUsing a lift sheet instead of pulling on the arms or legs
2. BHolding the resident firmly by the wrists during transfers
3. CSecuring dressings and tubing with strong adhesive tape on the skin
4. DRubbing the skin briskly with a towel after bathing

A resident on airborne precautions for tuberculosis must be taken to another department for an X-ray. Which precaution is usual?

1. AThe resident goes without a mask so breathing is easier
2. BThe resident is told never to leave the room for any test
3. CThe resident's door is left open during the trip
4. DThe resident wears a surgical mask while out of the room

At lunch, a nursing assistant is not sure which of two residents with similar names is sitting at the table. What should the nursing assistant do before serving the tray?

1. AGive the tray to whichever of the two residents looks most ready to eat
2. BServe both trays at once and let the two residents choose
3. CAsk another resident at the table which of the two is which
4. DCheck identity by facility policy and compare it with the diet card