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题目类型:[单选]
[单选] 关于肾小管的分泌,下列叙述中错误的是( )
A
NH3是通过主动转运而进入小管液的
B
NH3与小管液中的H+结合,生成NH1
C
NH4+与小管液中强酸盐(如NaCl)中的Cl-结合,生成酸性铵盐(NH4C1),起到排酸的作用
D
强酸盐中的Na+与H+交换,而后与HCO3-一起转运回血,起到保碱的作用
E
NH3的分泌对维持酸碱平衡起重要作用
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