护理助理（CNA）知识练习卷（附答案）

How many chambers does the human heart have?

1. AFour
2. BSix
3. CThree
4. DTwo

What is "AM care"?

1. AEarly morning care, such as toileting, washing and mouth care
2. BCare given after lunch, such as a short nap and a snack
3. CCare given at bedtime, such as a back rub and a change of gown
4. DCare that only the nurse is allowed to give in the morning

下列哪项任务通常属于护理助理的执业范围？

1. A插入导尿管
2. B把早晨药杯里的药片递给住养者
3. C向住养者家属解释新的诊断
4. D测量并记录住养者的液体摄入量和排出量

How is a standard bedpan positioned under a resident?

1. AWith the wider, rounded end under the buttocks
2. BPlaced sideways across the bed
3. CWith the narrow, flat end placed under the buttocks
4. DUnder the resident's lower back

When speaking with a resident who has dementia, which nonverbal approach helps?

1. ASpeaking while walking out of the room
2. BStanding over the resident with crossed arms
3. CApproaching from the front with eye contact and a calm tone
4. DApproaching quickly from behind so that care can start sooner

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 frail resident starts shivering during a bed bath. What should the nursing assistant do?

1. AOpen the window to let in fresh air so she does not feel faint
2. BKeep her covered, uncover only the part being washed and finish promptly
3. CTake off the bath blanket so the bath can be finished faster
4. DStop the bath and leave her uncovered and still wet until she has warmed up

When emptying a urinary drainage bag into a graduate, which action helps prevent infection?

1. ARinse the drain spout with tap water and let it hang open
2. BLift the bag above the bladder so it drains quickly
3. CKeep the spout from touching anything, and close it as policy directs
4. DDisconnect the bag from the catheter so it can be emptied more quickly