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一锅炉房师傅,化学性窒息性气体中毒后皮肤、黏膜呈樱桃红色的原因主要是()

单选题
2021-12-29 11:18
A、呼吸加快
B、空气氧含量增加
C、动脉血氧含量增加
D、动静脉血氧差下降
E、心跳及血液循环加快
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正确答案
D

试题解析
CO和血液里的血红蛋白结合以后生成的羰基血红蛋白是樱桃红色的,当黏膜的毛细血管丰富,加上黏膜很薄。所以当含羰基血红蛋白的血液流经的时候,我们透过黏膜看到的就是樱桃红色。

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