,成人失钾最重要的途径是A.经胃失钾B.经小肠失钾C.经结肠失钾D.经肾失钾E.经皮肤失钾

作者: rantiku 人气: - 评论: 0
问题 ,成人失钾最重要的途径是
选项 A.经胃失钾 B.经小肠失钾 C.经结肠失钾 D.经肾失钾 E.经皮肤失钾
答案 D
解析 :经肾失钾是成人失钾最重要的途径,常见于利尿药的长期连续使用或用量过多、某些肾脏疾病、肾上腺皮质激素分泌或应用过多及远曲小管中不易重吸收的阴离子增多等情况。此外,镁缺失或碱中毒时,也能导致肾排钾增多。

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