问题 单项选择题

关于栓剂吸收不正确的叙述是

A.由直肠上静脉→门静脉→肝脏→体循环

B.由直肠下静脉→肛门静脉→髂内静脉→下腔大静脉→体循环

C.有80%以上的药物不经肝脏,直接进入体循环

D. * * 由给药部位血管吸收→体循环

E.直肠淋巴系统也是栓剂药物吸收的一条途径

答案

参考答案:C

解析:当栓剂塞入距肛门口2cm处时,其给药量的50%~70%可不经过门静脉系统。可见C是错误的。选C。

阅读理解

阅读理解。

     On day, Allan and his friend Henry went swimming in a river. It was very hot. How happy they were in

the river! After they got out of the water, they played games in the sun for a while.

     On their way back, Henry saw some flowers. He liked flowers very much and ran into the green field to

look at them. Now Allan was walking by himself. Then he heard Henry calling out, "A snake! Help!........."

"What's wrong with you?" asked Allan. "A snake bit (咬) me in the leg. Come here!" Allan ran over and saw

a small red wound (伤口) on Henry's leg. "The snake was in the grass. I didn't see it." "Sit down quickly!"

Allan told Henry. Allan put his mouth at the little red would and began to suck (吸) at it. In this way he

saved (挽救) Henry's life. "Oh,Allan, it's very kind of you to help me."

      "That's all right. We are friends and we must always help each other."

1. It was            when Allan and Henry went out. [ ]

A. hot

B. cold

C. raining

D. wet

2. After swimming, they played in the sun           . [ ]

A. the whole morning

B. for 2 hours

C. long

D. for a while

3. On the way home, _____ got something wrong with his _____.[ ]

A. Allan, leg

B. Allan, head

C. Henry, leg

D. Henry, head

4. Henry and Allan are _____. [ ]

A. workers

B. good friends

C. brothers

D. farmers

5. Which of the following is true? [ ]

A. Henry went to look at the flowers with Allan

B. Allan saved Henry's life

C. Allan saw the snakes

D. They ran to the hospital

单项选择题