(来学网)陆女士,50岁,行乳腺癌根治手术,病人于下午14:00回病房,一般情况尚好。医嘱:哌替啶50mg,im,q6h,prn。给其氧疗时氧浓度和氧流量应为
  • A.
    (来学网)29%,2L/min
  • B.
    (来学网)33%,3L/min
  • C.
    (来学网)37%,4L/min
  • D.
    (来学网)41%,5L/min
  • E.
    (来学网)45%,6L/min