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急性缺氧导致肺动脉压升高的主要机制是( )

单选题
2021-09-01 19:33
A、血流量增加
B、肺小动脉收缩
C、右心输出量增加
D、左心功能不全
E、肺小静脉淤血
查看答案

正确答案
B

试题解析

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