(来学网)女,1岁。体重10kg,发热、咳嗽3天,应用头孢拉定300mg。已知头孢拉定规格500mg/支,用5ml注射用水溶解后,应抽取注射液的量为
  • A.
    (来学网)1ml
  • B.
    (来学网)2ml
  • C.
    (来学网)3ml
  • D.
    (来学网)4ml
  • E.
    (来学网)5ml