护理助理（CNA）知识练习卷（附答案）

Which is the largest organ of the human body?

1. AThe liver
2. BThe skin
3. CThe brain
4. DThe lungs

下列哪项是客观观察？

1. A住养者左足跟的皮肤发红
2. B住养者（女）说她觉得头晕
3. C住养者说今天心情悲伤
4. D住养者（男）说他肚子痛

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

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

Why does a resident sit on the edge of the bed for a short time (dangle) before standing?

1. ATo stretch the muscles of the lower back before standing up
2. BTo give the bed time to lower itself
3. CTo let the blood pressure adjust and prevent dizziness
4. DTo warm the feet before putting on shoes

A record shows that a resident fell at 2245. In 12-hour time, when did the fall occur?

1. A8:45 p.m.
2. B10:45 a.m.
3. C12:45 a.m.
4. D10:45 p.m.

How should an ice pack be applied?

1. AWrapped in plastic and left on all day to keep swelling down
2. BDirectly on the skin so that it cools the area faster
3. CIn a cloth cover, not directly on the skin, checked often
4. DUnder the resident's body so it stays in place

At lunch, a nursing assistant is not sure which of two residents with similar names is sitting at the table. What should the nursing assistant do before serving the tray?

1. AServe both trays at once and let the two residents choose
2. BAsk another resident at the table which of the two is which
3. CGive the tray to whichever of the two residents looks most ready to eat
4. DCheck identity by facility policy and compare it with the diet card

Which resident is at the greatest risk of developing a pressure injury?

1. AA resident with good nutrition who changes position often
2. BA resident who sits in a chair for about an hour and then walks to lunch
3. CA resident who walks daily and eats all meals
4. DA thin resident who is incontinent, cannot move in bed and eats poorly