(来学网)肺炎患儿鼻前庭导管给氧,氧流量和氧浓度的选择是
  • A.
    (来学网)氧流量0.5~1L/min,氧浓度<40%
  • B.
    (来学网)氧流量2~4L/min,氧浓度<50%
  • C.
    (来学网)氧流量5~6L/min,氧浓度<60%
  • D.
    (来学网)氧流量7~8L/min,氧浓度<70%
  • E.
    (来学网)氧流量9~10L/min,氧浓度<80%