题目内容
正常人动脉血氧饱和度（Sa02)的参考 值为（）
2021-12-01
A.0. 9〜0.91(90%〜91%)
B.0. 91〜0.95(91%〜95%)
C.0.80〜0.90(80%〜90%)
D.0.95〜0.98(95%〜98%>
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