正常小肠能产生逆蠕动的部位在?(?)A．空肠上段B．空肠下段C．回肠近段D．回肠末端E．回肠中端

作者: rantiku 人气: - 评论: 0

问题正常小肠能产生逆蠕动的部位在?(?)

选项 A．空肠上段 B．空肠下段 C．回肠近段 D．回肠末端 E．回肠中端

答案 D

解析

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