护理助理（CNA）知识练习卷（附答案）

What is an indwelling (Foley) catheter?

1. AA condom-like device worn over the penis
2. BA tube that stays in the bladder to drain urine continuously
3. CA tube that drains fluid from the stomach
4. DA tube put in and removed right away to empty the bladder once

What does the abbreviation PRN mean?

1. ABefore meals
2. BAs needed
3. CBy mouth
4. DEvery night

Which signs may point to high blood sugar (hyperglycemia)?

1. APale, cool and clammy skin
2. BShakiness and sudden sweating
3. CExtreme thirst and frequent urination
4. DSudden hunger and a fast heartbeat

一位住养者在中风后出现失语，找词困难。哪种方法有助于沟通？

1. A避免与住养者交谈，以免使其受挫
2. B大声说话，因为失语是一种听力损失
3. C替住养者说完每个句子以节省时间
4. D使用简单的是非问题、手势或图片板

How can a stool specimen be kept from being contaminated?

1. ACollect the specimen from the toilet water after flushing
2. BMix the stool with water before putting it in the container
3. CHave the resident urinate first and keep toilet paper out of it
4. DLeave the specimen uncovered in the bathroom until the end of the shift

For how long is an apical pulse counted?

1. A10 seconds, multiplied by 6
2. BOne full minute
3. C30 seconds, multiplied by 2
4. D15 seconds, multiplied by 4

A resident is pale, sweaty and confused, with a fast, weak pulse and low blood pressure. What should the nursing assistant do?

1. ASit the resident in a chair and check the vital signs again in an hour
2. BCall the nurse immediately and keep the resident lying down and warm
3. CGive the resident a hot drink and leave
4. DHelp the resident walk to improve circulation

A visitor asks the nursing assistant which residents on the unit have HIV, so that she can avoid them. What should the nursing assistant do?

1. APoint out the rooms of those residents without saying any of their names
2. BTell her she may read the residents' charts at the nurses' station if she is careful
3. CGive her the names, because she is only trying to protect her own health
4. DSay that health information is private, and HIV is not spread by casual contact