题目内容
血氧饱和度是指( )
2021-09-30
A.血氧含量与氧容量的百分比
B.卩(：02与？02的百分比
C.Hb与1^02的百分比
D.1^02与1^的百分比
E.血中[HC0r]/[H2C03]的百分比
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