Nursing assistant (CNA) knowledge worksheet with answers

Which single measure is most important for preventing the spread of infection in a care facility?

1. AKeeping windows open in all rooms
2. BAsking the doctor to prescribe antibiotics
3. CWearing gloves for every task
4. DHand hygiene

What is a healthcare-associated infection (HAI)?

1. AAn infection that the person already had before being admitted
2. BAn infection caught while receiving care in a health care setting
3. CAn infection that is passed only through food
4. DAn infection that affects only health care workers

Which of these is an objective observation?

1. AThe skin on the resident's left heel is red
2. BThe resident reports feeling sad today
3. CThe resident says his stomach hurts
4. DThe resident says she feels dizzy

After a stroke, a resident tends to leave food in the cheek on her weak side. How can the nursing assistant help?

1. APlace food on her stronger side and check for pocketed food
2. BGive her only liquids until the problem goes away
3. CPlace all food on her weaker side to exercise those muscles
4. DFeed her lying flat on her weak side

When are anti-embolism (elastic) stockings usually put on?

1. AAfter the resident has walked for a while
2. BWhenever the legs start to look swollen
3. CIn the morning, before the resident gets out of bed
4. DOnly at night, while the resident sleeps

How should cleaning chemicals be stored in a care facility?

1. AIn residents' rooms, so that staff can reach them quickly when needed
2. BIn their original labeled containers, locked away from residents
3. CIn empty drink bottles to save space
4. DIn unlabeled bottles on the hallway shelf

A resident who is usually alert and oriented is suddenly confused today. Her urine is dark and has a strong smell. What should the nursing assistant report?

1. ANothing, because these changes are part of normal aging
2. BOnly the change in the urine, because confusion is normal in older people
3. CThe new confusion and the change in the urine, right away
4. DOnly the confusion, and only at the end of the shift

A resident with heart failure tells the nursing assistant that she now needs three pillows to breathe at night instead of one. What should the nursing assistant do?

1. ARemove her pillows so she sleeps better
2. BReport it, because it may mean her heart failure is worse
3. CGive her more pillows and say nothing, since she is comfortable
4. DTell her to sleep flat to strengthen her lungs