问题
多项选择题
PTH对骨的作用是（）
A.在数小时内引起骨钙动员
B.使破骨细胞数目减少
C.促进前破骨细胞转化成破骨细胞
D.激活破骨细胞溶酶体释放水解酶
E.促使酸性物质增高
答案
参考答案：A, C, D, E
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PTH对骨的作用是（）
A.在数小时内引起骨钙动员
B.使破骨细胞数目减少
C.促进前破骨细胞转化成破骨细胞
D.激活破骨细胞溶酶体释放水解酶
E.促使酸性物质增高
参考答案：A, C, D, E
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