题目内容
(请给出正确答案)
[单选题]
题干18题:该患者持续氧疗的氧浓度及浓度后单位氧流量为()
A.20%~24%,1~2L/min
B.24%~30%,1~2L/min
C.30%~34%,2~3L/min
D.34%~40%,2~3L/min
答案
B、24%~30%,1~2L/min
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A.20%~24%,1~2L/min
B.24%~30%,1~2L/min
C.30%~34%,2~3L/min
D.34%~40%,2~3L/min
B、24%~30%,1~2L/min