CRF晚期因受损肾单位增多,可出现代谢性酸中毒,其机制错误的是A.肾小管上皮细胞产NH减少,可致H排出障碍B.继发性PTH分泌增多,抑制近曲小管上皮细...

作者: rantiku 人气: - 评论: 0
问题 CRF晚期因受损肾单位增多,可出现代谢性酸中毒,其机制错误的是
选项 A.肾小管上皮细胞产NH减少,可致H排出障碍 B.继发性PTH分泌增多,抑制近曲小管上皮细胞碳酸酐酶活性,使近曲小管排氢和重吸收重碳酸盐减少 C.GFR降低到20ml/min时,使硫酸、磷酸等酸性产物生成增加 D.GFR降低到20ml/min时,使硫酸、磷酸等酸性产物滤过减少
答案 C
解析

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