关于小儿气管、支气管、肺、胸廓,下列正确的描述是 ( )A.管腔狭窄,软骨柔软,弹力组织发育好B.粘膜血管少,纤毛运动差C.肺间质发育好,肺泡数量...

作者: rantiku 人气: - 评论: 0
问题 关于小儿气管、支气管、肺、胸廓,下列正确的描述是 ( )
选项 A.管腔狭窄,软骨柔软,弹力组织发育好 B.粘膜血管少,纤毛运动差 C.肺间质发育好,肺泡数量较少 D.粘膜血管丰富,纤毛运动好 E.纵隔相对较大,胸廓呈扁平状
答案 C
解析

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