环状软骨弓为A.环状软骨的前部,较窄B.环状软骨的前部,较宽C.环状软骨的后部,较窄D.环状软骨的后部,较宽E.环状软骨的两侧部

作者: rantiku 人气: - 评论: 0
问题 环状软骨弓为
选项 A.环状软骨的前部,较窄 B.环状软骨的前部,较宽 C.环状软骨的后部,较窄 D.环状软骨的后部,较宽 E.环状软骨的两侧部
答案 A
解析 :环状软骨位于甲状软骨之下,第一气管环之上,形状如环。环状软骨的前部较窄,为环状软骨弓;后部较宽,为环状软骨板。

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