對于維生素D下列正確的是()
A.升高血鈣、血磷 B.降低血鈣、血磷 C.升高血鈣、降低血磷 D.升高血磷、降低血鈣 E.與磷代謝無關(guān)
維生素D的活性形式是()
A.25-OH-D B.1,25-(OH)-D C.1,24,25-(OH)-D D.24,25-(OH)-D E.1,25-(NH)-D
A.維生素D B.PTH C.CT D.ADH E.HCG