法洛四联症引起血氧饱和度下降的主要病理畸形是A.室缺B.右室肥大C.主动脉骑跨D.右室流出道狭窄E.左室扩大

作者: rantiku 人气: - 评论: 0
问题 法洛四联症引起血氧饱和度下降的主要病理畸形是
选项 A.室缺 B.右室肥大 C.主动脉骑跨 D.右室流出道狭窄 E.左室扩大
答案 D
解析

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