Nursing assistant (CNA) knowledge worksheet with answers

What happens in heart failure?

1. AThe heart stops beating completely and cannot be restarted by any means
2. BThe heart does not pump well enough, so fluid can build up in the body
3. CThe blood vessels of the brain become blocked
4. DThe heart beats too fast only during exercise

With which residents are standard precautions used?

1. AOnly when blood can be seen
2. BOnly with residents in isolation rooms
3. COnly with residents who have a known infection
4. DWith every resident

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

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

With aging, which kind of sounds are often the first to become hard to hear?

1. ALow-pitched sounds
2. BThe person's own voice
3. CLoud sounds
4. DHigh-pitched sounds

How quickly should a blood pressure cuff be deflated during a manual reading?

1. AAll at once, by opening the valve fully and quickly
2. BAbout 20 mmHg per second to save time
3. CIn large jumps, stopping between them
4. DSlowly and steadily, about 2 to 4 mmHg per second

A resident has swollen feet and ankles. Which measure is usually helpful, if the care plan allows?

1. ARaising the legs on pillows or a footstool
2. BWrapping the ankles tightly with tape
3. CHanging the legs down from the bed all day
4. DRubbing the swollen areas firmly

A resident complains to the nursing assistant that her meals always arrive cold. What should the nursing assistant do?

1. AListen, report it to the nurse and assure her she may complain without punishment
2. BTell her that all residents get cold food, so it is normal
3. CIgnore the complaint because meals are not part of the nursing assistant's job
4. DTell her that complaining may make the kitchen staff angry

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

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