A.33
B.37
C.40
D.41
E.43
[单选题]氧流量4L/min吸入时,氧浓度为()A .25%B .29%C .33%D .37%E .41%
[单选题]吸氧时流量为4L/min,其氧浓度为A.29%B.33%C.37%D.41%E.45%
[单选题]若给患者用氧,氧流量4L/min,其氧浓度是( )A.21%B.25%C.29%D.33%E.37%
[单选题]氧流量4L/min吸入时,氧浓度为 ( )A.25%B.29%C.33%D.37%E.41%
[单选题]鼻导管吸氧,当氧流量为4L/min时,吸氧浓度(FiO)是A.28%B.32%C.36%D.40%E.44%
[单选题]鼻导管吸氧,当氧流量为4L/min时,吸氧浓度(FiO2)是()。A.28%B.32%C.36%D.40%E.44%
[单选题]鼻导管吸氧,当氧流量为4L/min时,吸氧浓度(FiO2)是A.28%B.32%C.36%D.40%E.44%
[单选题]鼻导管吸氧,当氧流量为4L/min时,吸氧浓度(FiO2)是A.28%B.32%C.36%D.40%E.44%
[单选题]鼻导管吸氧,当氧流量为4L/min时,吸氧浓度(FiO2)是A.28%B.32%C.36%D.40%E.44%
[单选题]鼻导管吸氧,当氧流量为4L/min时,吸氧浓度(FiO2)是A.28%B.32%C.36%D.40%E.44%