题目内容：
维生素A的生理功能有（）
A.参与视网膜内视紫红质的合成与再生
B.增加对感染的抵抗力
C.参与体内羟化反应
D.保护上皮组织完整
E.促进生长发育并维持正常的生殖能力
F.产生能量
参考答案：
选择题：维生素A的生理功能有（）
- 题目分类：慕课
- 题目类型：选择题
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