颅底内面有颅前、中、后三个窝,当颅底骨折时,在鼻腔有液体流出时,推测是损伤了三窝中哪一部位的哪一结构A.颅前窝内的眶板B.颅中窝内的鼓室盖C.颅中...

作者: rantiku 人气: - 评论: 0
问题 颅底内面有颅前、中、后三个窝,当颅底骨折时,在鼻腔有液体流出时,推测是损伤了三窝中哪一部位的哪一结构
选项 A.颅前窝内的眶板 B.颅中窝内的鼓室盖 C.颅中窝内的颈动脉管 D.颅后窝内的颈静脉孔 E.颅后窝内的内耳门
答案 A
解析 :颅前窝内的眶板,有筛孔通向鼻腔,当颅底骨折时,鼻腔可有脑脊液流出。

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