单选题:某小儿,2个月。足月顺产,母乳喂养,为预防佝偻病服用维生素D,每日补充的合理剂量是

  • 题目分类:中西医医师
  • 题目类型:单选题
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题目内容:
某小儿,2个月。足月顺产,母乳喂养,为预防佝偻病服用维生素D,每日补充的合理剂量是 A.200IU
B.400IU
C.2000IU
D.5000IU
E.10000IU
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