(来学网)假定血糖在常规实验室20天测定的质控结果的均数是5.5mmol/L,标准差为0.5mmol/L,如果22s规则,其失控限为
  • A.
    (来学网)下限为5.0mmol/L,上限为6.0mmol/L
  • B.
    (来学网)下限为4.0mmol/L,上限为7.0mmol/L
  • C.
    (来学网)下限为4.5mmol/L,上限为6.5mmol/L
  • D.
    (来学网)下限为4.0mmol/L,上限为6.5mmol/L
  • E.
    (来学网)下限为3.5mmol/L,上限为7.5mmol/L