给家兔静脉注射血管升压素后尿量减少，尿液渗透压增高，该动物尿量减少的主要机制是远曲小管和集合管A.对水通透性增高 B.对Na+重吸收增多 C.对尿素重...

作者: tihaiku 人气: - 评论: 0

问题给家兔静脉注射血管升压素后尿量减少，尿液渗透压增高，该动物尿量减少的主要机制是远曲小管和集合管

选项 A.对水通透性增高 B.对Na+重吸收增多 C.对尿素重吸收增多 D.管腔内溶质浓度降低 E.管腔外渗透压升高

答案 A

解析

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