题目内容
甲状旁腺素对血液中钙磷浓度的调节作用表现为
2022-01-09
A.降低血钙浓度,升高血磷浓度
B.升高血钙浓度,降低血磷浓度
C.升高血钙浓度,不影响血磷浓度
D.降低血钙浓度,不影响血磷浓度
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