急性肾衰竭少尿期可出现的血生化变化是（）。 -题库考试答案搜索网

急性肾衰竭少尿期可出现的血生化变化是（）。

单选题

2021-12-24 23:55

A、高钾、高钠、高磷、高钙、低镁、低氯
B、高钾、低钠、低磷、低钙、高镁、低氯
C、高钾、低钠、高磷、低钙、高镁、低氯
D、高钾、高钠、低磷、高钙、低镁、低氯
E、高钾、高钠、高磷、高钙、高镁、高氯

查看答案

正确答案

C

试题解析

急性肾衰竭时身体内钾无法排出体外，造成血液中高钾，由于体内的水潴留，造成稀释性低钠，同时约有60%～80%的磷需要通过肠道进行排泄，在肠道形成不溶解的磷酸钙，影响钙离子的吸收，形成低钙血症，正常状态下有60%的镁通过粪便排泄，有40%通过尿液排泄，当无法排泄时就会出现高镁。故答案应选C。

标签：强化练习题神经外科学(医学高级) 普通外科学中西医结合外科(医学高级)

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