Nursing assistant (CNA) knowledge worksheet with answers

Which nutrient is needed most for life, because a person can survive only a few days without it?

1. AVitamin A
2. BWater
3. CFat
4. DFiber

Which of these is an objective observation?

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

How many milliliters are in 1 liter?

1. A500 mL
2. B10,000 mL
3. C1000 mL
4. D100 mL

Which measure often helps a resident with osteoarthritis?

1. ALifting heavy weights to strengthen the joints
2. BKeeping the painful joints still in one position all day long
3. CComplete bed rest for several weeks
4. DWarm baths or showers and gentle range-of-motion exercise

What usually happens if a blood pressure cuff is too small for a resident's arm?

1. AThe reading is falsely high
2. BThe reading is not affected
3. CThe pulse cannot be felt at the wrist
4. DThe reading is falsely low

A resident has just finished a cup of hot tea. When should the nursing assistant take her oral temperature?

1. AAfter waiting about 15 minutes
2. BAfter she drinks a glass of ice water
3. CAfter waiting about 1 minute
4. DRight away, while she is still sitting up

A doctor calls the unit and starts telling the nursing assistant a new order for a resident. What should the nursing assistant do?

1. AWrite the order on a sticky note for the nurse
2. BWrite the order down and carry it out right away
3. CPolitely ask the doctor to hold and get the nurse
4. DTell the doctor to call back tomorrow

A nursing assistant finds a resident sitting on the floor next to the bed. The resident is awake and says, "I'm fine, just help me up." What should the nursing assistant do first?

1. AFinish the rounds quickly and check on the resident again later
2. BHelp the resident back into bed straight away
3. CStay with the resident and call the nurse before moving them
4. DGive the resident a drink of water to calm them