(来学网)COPD合并Ⅱ型呼吸衰竭的患者,拟给予鼻导管吸入29%的氧,其氧流量应为
  • A.
    (来学网)1.5L/min
  • B.
    (来学网)1L/min
  • C.
    (来学网)2L/min
  • D.
    (来学网)3L/min
  • E.
    (来学网)0.5L/min