呼气末正压的生理水平是:( )A.0.2~0.3 kPa(2~3 cmH

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问题 呼气末正压的生理水平是:(     )A.0.2~0.3 kPa(2~3 cmH2O)B.0.4~0.5 kPa(4~5 cmH2O)C.0.6~0.7 kPa(6~7 cmH2O)D.0.8~0.9 kPa(8~9 cmH2O)E.1.0 kPa(10 cmH2O)

选项 A.0.2~0.3 kPa(2~3 cmH2O)
B.0.4~0.5 kPa(4~5 cmH2O)
C.0.6~0.7 kPa(6~7 cmH2O)
D.0.8~0.9 kPa(8~9 cmH2O)
E.1.0 kPa(10 cmH2O)

答案 A

解析
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