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问题 多项选择题 案例分析题

患者女性，60岁，因反复发作右上腹疼痛入院，诊为胆囊炎合并胆囊结石，拟行腹腔镜下胆囊切除术。

提示：经过上述处理，患者的PCO2恢复正常，但在保持缓慢输液、和比较稳定的麻醉的情况下，患者的血压由原来的150／90mmHg下降到110／70mmHg，CVP由术前的7mmHg逐渐上升到15mmHg，SpO296％。

提问：患者血压和SpO2下降、CVP上升的可能原因是（）

A.气腹后下腔静脉回流增加

B.CO2吸收入血可致总外周阻力增加

C.心排血量下降

D.V／Q比率失调，增加心肺负荷

E.缺氧

F.CO2吸收入血可致总外周阻力减少

答案

参考答案：B, C, D, E, G

完形填空

短文填词。（本大题共10小题，每小题1分，满分10分）

Students learn their lessons in class. They sit in the classroom and l 1  to the teacher. This is a way of learning. Is this the o 2  way for students to learn? Of course not. There is another way to learn. That is students can teach themselves. For e 3  , if you cannot remember something when you are doing your homework, what will you do? You can look at your books to f  4   the answers.

How to teach yourself? The first thing you must do is reading. Read something you are i 5  in, or you have to read. The second is that you must ask yourself questions. A clever student is usually g 6  at asking questions. The third is to answer the questions yourself by w 7  hard, by reading books, and sometimes by asking o 8  people. These are the ways of teaching yourself. If you keep doing l  9 these for a long time, You are sure to have great s  10  in your study.

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单项选择题

容易产生悬挂毛细水的土层剖面是（）。

A.上细下粗

B.上粗下细

C.均质土

D.粘性土
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