肿瘤广泛骨转移时可出现A．血钙升高B．血钙降低C．血镁升高D．血镁降低E．血磷升高

作者: rantiku 人气: - 评论: 0

问题肿瘤广泛骨转移时可出现

选项 A．血钙升高 B．血钙降低 C．血镁升高 D．血镁降低 E．血磷升高

答案 A

解析：肿瘤广泛骨转移，破坏骨质，使骨钙释放入血，血钙浓度升高。

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