咽部肌肉的功能包括()A.咽提肌收缩时可使咽喉上举,咽部收缩,封闭梨状窝,防止食物进入食管B.咽提肌收缩时可使咽喉上举,咽部松弛,开放梨状窝,食物越过...

作者: rantiku 人气: - 评论: 0
问题 咽部肌肉的功能包括()
选项 A.咽提肌收缩时可使咽喉上举,咽部收缩,封闭梨状窝,防止食物进入食管 B.咽提肌收缩时可使咽喉上举,咽部松弛,开放梨状窝,食物越过会厌进入食管,协调吞咽动作 C.腭帆肌组可上提软腭,控制鼻咽峡启闭,分隔鼻咽和口咽 D.腭帆肌组同时有咽鼓管开放的作用 E.吞咽时咽缩肌由下向上依次收缩,将食物压入食管
答案 BCD
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