亚硝酸盐中毒病人的典型症状之一是A.面色红润B.高热C.嘴唇、面部青紫D.面部皮肤黄色E.昏迷

作者: rantiku 人气: - 评论: 0
问题 亚硝酸盐中毒病人的典型症状之一是
选项 A.面色红润 B.高热 C.嘴唇、面部青紫 D.面部皮肤黄色 E.昏迷
答案 C
解析 :中毒的机制是亚硝酸盐将血红蛋白的二价铁氧化为三价铁,使血红蛋白成为高铁血红蛋白,失去携带氧的能力,造成机体缺氧。

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