试题与答案

下列哪项是维生素D缺乏性佝偻病的主要病因?() A.围生期维生素D不足 B.日照不足

题型:单项选择题 A1/A2型题

题目:

下列哪项是维生素D缺乏性佝偻病的主要病因?()

A.围生期维生素D不足

B.日照不足

C.生长过快

D.疾病影响

E.单纯母乳喂养

答案:

参考答案:B

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题型:改错题

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