问题 多项选择题

局麻药的主要不良反应是( )

A.毒性反应

B.消化道反应

C.循环系统抑制

D.呼吸抑制

E.过敏反应

答案

参考答案:A,E

解析: 局麻药的不良反应。(1)毒性反应:中枢神经中毒反应,先兴奋后抑制;心血管系统中毒反应,中毒早期中枢神经兴奋时,脉搏增快,血压升高,其后局麻药阻滞交感神经通路,使心率减慢,并直接抑制心血管平滑肌或心肌传导系统,血中局麻药浓度继续升高,则可引起心搏骤停。(2)过敏反应。

阅读理解

阅读理解。

      Peter was a small boy. He lived with his parents in a small house near some hills. The people there

were all poor. One night it was very dry and windy. When everybody was asleep, Peter suddenly heard

some noise. It came out from the kitchen (厨房). He got up and walked to the kitchen. He found that the wood beside the stove (火炉)  was burning. There was no water tap (水龙头) in the house,so he could

not put out (扑灭) the fire. He shouted loudly to wake up everyone in the house. Then he ran out of his

house and knocked on the doors of many houses to wake the people up. They all left their houses quickly.At last the fire was put out by the firemen. Many houses were hurt. But nobody was hurt in the fire.

1. Peter lived with his_____.      

A. sisters                  

B. brothers

C. uncles                  

D. parents

2. One night he found that_____beside the stove was burning.      

A. the table              

B. the wood

C. the door                

D. the window

3. _____, so he could not put out the fire.       

A. Everybody was asleep

B. He couldn't shout loudly

C. The kitchen was very big

D. There was no water tap in the house

4. Peter knocked on the doors of many houses _____.        

A. to wake the people up

B. to get some water

C. to find his classmates

D. to visit the people

5. _____hurt in the fire.      

A. People in other houses were

B. Peter's parents were

C. Nobody was

D. Peter was

多项选择题