一般情况下正常成人每天出入水量约为A.3000mlB.2500mlC.2000mlD.1500mlE.1000ml

作者: rantiku 人气: - 评论: 0
问题 一般情况下正常成人每天出入水量约为
选项 A.3000ml B.2500ml C.2000ml D.1500ml E.1000ml
答案 B
解析 :一般情况下,正常成人每天饮水约1200ml,随食物摄入水约为1000ml,体内产生代谢水约300ml,因此共摄水2500ml。在一般情况下,正常成人每天经呼吸道黏膜不感蒸发排水350ml,经皮肤不感蒸发和发汗排水500ml,随粪排水150ml,随尿排水1500ml,因此共排出水2500ml,所以每天出入水量均约为2500ml,保持体内水的平衡。

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