问题
单项选择题 A1/A2型题
马方综合征的心血管病理改变主要为()
A.主动脉内膜层组织破坏
B.左心室扩大
C.主动脉外膜组织薄弱
D.主动脉瓣膜破坏狭窄
E.主动脉中层弹性组织明显消失
答案
参考答案:E
解析:马方综合征主动脉中层弹性组织明显消失,形成升主动脉瘤样扩张。
马方综合征的心血管病理改变主要为()
A.主动脉内膜层组织破坏
B.左心室扩大
C.主动脉外膜组织薄弱
D.主动脉瓣膜破坏狭窄
E.主动脉中层弹性组织明显消失
参考答案:E
解析:马方综合征主动脉中层弹性组织明显消失,形成升主动脉瘤样扩张。
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