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题目内容
(请给出正确答案)
诊断呼吸衰竭的血气标准是
A.PaO
<65mmHg和(或)伴有PaCO
>55mmHg
B.PaO
<50mmHg和(或)伴有PaCO
>60mmHg
C.PaO
<60mmHg和(或)伴有PaCO
>55mmHg
D.PaO
<60mmHg和(或)伴有PaCO
>50mmHg
E.PaO
<65mmHg和(或)伴有PaCO
>50mmHg
![](https://assets.51tk.com/images/ef8523c21119fe55_img/78feae2383783ee6.gif)
![](https://assets.51tk.com/images/ef8523c21119fe55_img/e4c0aa4949d01f56.gif)
B.PaO
![](https://assets.51tk.com/images/ef8523c21119fe55_img/75e9758e4398b79c.gif)
![](https://assets.51tk.com/images/ef8523c21119fe55_img/b1f28cee5cf362d2.gif)
C.PaO
![](https://assets.51tk.com/images/ef8523c21119fe55_img/227b915133fb650b.gif)
![](https://assets.51tk.com/images/ef8523c21119fe55_img/cb54090ef1b42a5f.gif)
D.PaO
![](https://assets.51tk.com/images/ef8523c21119fe55_img/636a1a698c0132a6.gif)
![](https://assets.51tk.com/images/ef8523c21119fe55_img/564ae1b6fae47fcb.gif)
E.PaO
![](https://assets.51tk.com/images/ef8523c21119fe55_img/6eadbb8a4e181ddf.gif)
![](https://assets.51tk.com/images/ef8523c21119fe55_img/5a43e68e99810f58.gif)
参考答案
参考解析
解析:此题考查呼吸衰竭诊断的血气标准。在海平面静息状态下,呼吸空气时,PaO
<60mmHg(8kPa)和(或)伴有PaCO
>50mmHg(6.67kPa)为呼吸衰竭。
【该题针对“基础知识-呼吸衰竭病因及发病机制、分型、缺O
和CO
潴留对机体的影响、辅助检查”知识点进行考核】
![](https://assets.51tk.com/images/ef8523c21119fe55_img/4516123712b33e3a.gif)
![](https://assets.51tk.com/images/ef8523c21119fe55_img/c9c643d3b6343c11.gif)
【该题针对“基础知识-呼吸衰竭病因及发病机制、分型、缺O
![](https://assets.51tk.com/images/ef8523c21119fe55_img/2db37b1b4e91d780.gif)
![](https://assets.51tk.com/images/ef8523c21119fe55_img/3786028a0417fba9.gif)
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