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当前学科：肾功能不全
题目：
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慢性肾功能不全恶化的常见诱因，应除外的是（）
A . A.感染、发热
B . B.外伤、失血
C . C.呕吐伴腹泻
D . D.血尿酸或血钙过低
E . E.心力衰竭
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