诊断呼吸衰竭的血气标准是A:PaO2<65mmHg和(或)伴有PaCO2>55mmHg B:PaO2<50mmHg和(或)伴有PaCO2>60mmHg C:Pa

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问题 诊断呼吸衰竭的血气标准是

选项 A:PaO2<65mmHg和(或)伴有PaCO2>55mmHg
B:PaO2<50mmHg和(或)伴有PaCO2>60mmHg
C:PaO2<60mmHg和(或)伴有PaCO2>5mmHg
D:PaO2<60mmHg和(或)伴有PaCO2>50mmHg
E:PaO2<65mmHg和(或)伴有PaCO2>50mmHg

答案D

解析
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