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问题 单项选择题 案例分析题

男性，49岁，痰喘20年，受凉后症状加重伴明显气短1周入院。血气：pH7．30PO70mmHg立即给予持续低流量吸氧

低流量吸氧的机制为（）.

A.缺氧时组织摄取氧量增加

B.缺氧时血红蛋白携氧能力增加

C.氧离曲线左移

D.缺氧时，心率加快氧输送加快

E.利用氧离曲线特点，陡直部分PO2稍有增加SaO2便有较多增加

答案

参考答案：E

单项选择题

胸痹病的典型脉象可以概括为（）

A.阳微阴弦

B.寸口脉迟而缓

C.寸口脉沉而弱

D.寸口脉浮而迟，趺阳脉浮而数

E.寸口脉沉而迟，关上小紧数
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补全对话，情景问答
根据下面的对话内容。从方框内的选项中选出最佳选项，并填入空白处。选项中有一项为多余选项。
A. And what would you like to drink?
B. How do you want your coffee?
C. How many eggs would you like?
D. Would you like some coffee?
E. What would you like for breakfast, Bill?
F. How do you like them, cooked or fried?
A: 1.              
B: I would like some sausages and eggs.
A; OK. 2.              
B: I usually eat two eggs.
A: OK, 3.              
B: I like them fried.
A: 4.             
B: Well, I'd like some coffee.
A: All right. 5.              
B: I prefer coffee with some milk.
A: OK. They will be ready in 5 minutes.
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