反流性食管炎最主要的发病机制是( )A、食管下段括约肌张力增高B、食管下段括约肌张力低下C、食管对反流物清除功能削弱D、胃酸、胃蛋白酶所致的食...

作者: rantiku 人气: - 评论: 0
问题 反流性食管炎最主要的发病机制是( )
选项 A、食管下段括约肌张力增高 B、食管下段括约肌张力低下 C、食管对反流物清除功能削弱 D、胃酸、胃蛋白酶所致的食管黏膜损伤 E、碱性反流物所致的食管黏膜损伤
答案 B
解析 正确答案:B

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