肾前性急性肾衰竭尿液检查结果可能为A.尿钠浓度>20mmol/L B.尿比重1.010 ~ 1.014 C.尿渗透压>500mmol/L D.镜下可见到透明管型

作者: rantiku 人气: - 评论: 0
问题 肾前性急性肾衰竭尿液检查结果可能为
选项 A.尿钠浓度>20mmol/L B.尿比重1.010 ~ 1.014 C.尿渗透压>500mmol/L D.镜下可见到透明管型
答案 CD
解析 ①肾前性肾衰竭时,尿液浓缩,尿比重和渗透压增高,尿比重常> 1.020,尿渗透压> 500mmol/L, 镜下可见到透明管型。②AB项为肾性肾衰竭的表现。参阅7版外科学P54表6-2。

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