腰椎前后位的中心线入射点是?(?)A．胸骨剑突B．脐上3cmC．脐D．脐下3cmE．髂前上棘连线中点

作者: rantiku 人气: - 评论: 0

问题腰椎前后位的中心线入射点是?(?)

选项 A．胸骨剑突 B．脐上3cm C．脐 D．脐下3cm E．髂前上棘连线中点

答案 B

解析

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