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COPD患者发生肺动脉高压最重要的机制是（）

A、肺阻力血管内膜增厚，管腔狭窄

B、血容量扩张

C、红细胞增加致血液黏滞度增加

D、肺小动脉内广泛血栓形成

E、缺氧、C0

时间：2021-09-03 17:04 关键词：心脏病广西住院医师心脏内科上海住院医师神经内科呼吸科

答案解析

E

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