题目内容
肺炎患儿鼻前庭导管给氧，氧流量和氧浓度的选择是
2021-11-18
A.氧流量0.5-lL/min,氧浓度<40%
B.氧流量2-4L/min，氧浓度<60%
C.氧流量5-6L/min，氧浓度<70%
D.氧流量7-8L/min，氧浓度<80%
E.氧流量9-10L/min，氧浓度<90%
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