口咽与喉咽分界的标志为A．咽峡B．软腭平面C．会厌上缘D．环状软骨E．第6颈椎

作者: rantiku 人气: - 评论: 0

问题口咽与喉咽分界的标志为

选项 A．咽峡 B．软腭平面 C．会厌上缘 D．环状软骨 E．第6颈椎

答案 C

解析

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