问题 单项选择题 A1型题

患者女,33岁。因急性肠梗阻呕吐,出现血压偏低、尿少、口渴、脱水征。首先静脉补液的是()

A.0.3%氯化钾

B.5%葡萄糖液

C.5%葡萄糖盐水

D.右旋糖酐

E.复方氯化钠

答案

参考答案:C

解析:该患者因急性肠梗阻呕吐,出现血压偏低、尿少、口渴、脱水征为中度低渗性脱水,应补充5%葡萄糖盐水。高渗性脱水给予5%葡萄糖液。等渗性脱水给予等渗盐水或复方氯化钠溶液。低钾血症可给予氯化钾补充。故正确答案为C。解题关键:掌握水和钠代谢失常的处理原则。【考点】:水和钠代谢

阅读理解

阅读理解。

     Americans with small families own a small car or a large one. If both parents are working, they usually

have two cars. When the family is large, one of the cars is sold and they will buy a van (住房汽车).

     A small car can hold four persons and a large car can hold six persons but it is very crowded. A van

hold seven persons easily, so in a family three children could ask their grandparents to go on a holiday

travel. They could all travel together.

     Mr. Hagen and his wife had a third child last year. This made them sell a second car and buy a van.

The sixth and seventh seat are used to put other things, for a family of five must carry many suitcases

(衣箱) when they travel. When they arrive at their grandparents' home, the suitcases are brought into the

two seats can then carry the grandparents.

     Americans call vans motor homes. A motor home is always used for holidays. When a family are

traveling to the mountains or to the seaside, they can live in their motor home for a few days or weeks.

All the members of a big family can enjoy a happier life when they are traveling together. That is why

motor homes have become very popular. In America there are many parks for motor homes.

1. From the passage, a van is also called _____.    [     ]

A. a motor car   

B. a motor home   

C. a motor bike    

D. a big truck 

2. Before Mr. Hagen and his wife bought a van, they _____.    [ ]

A. sold their old house         

B. moved to their grandparents' house   

C. built a new place for a van      

D. sold their second car

3. A motor home is usually owned by a family with _____.   [ ]

A. a baby   

B. much money   

C. more than two children   

D. interest in vans

4. Americans usually use motor homes _____. [ ]

A. to travel with all the family members for holidays

B. to do some shopping with all the family members

C. to visit their grandparents at weekends

D. to drive their children to school every day

5. Motor homes have become popular because _____.   [ ]

A. they can take people to another city when people are free

B. they can let families have a happier life when they go out for their holidays

C. some people think motor homes are cheap  

D. big families can put more things in motor homes

单项选择题