问题
单项选择题
| 某车祸病人，出血＞1500ml，心音弱，呼吸微弱、不规则，血压测不到，无尿，皮肤黏膜出现紫斑。 |
病人皮肤黏膜出现紫斑的主要原因()
A．弥散性血管内凝血
B．毛细血管收缩
C．毛细血管广泛扩张
D．代谢性酸中毒
E．心功能不全
答案
参考答案：A
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| 某车祸病人，出血＞1500ml，心音弱，呼吸微弱、不规则，血压测不到，无尿，皮肤黏膜出现紫斑。 |
病人皮肤黏膜出现紫斑的主要原因()
A．弥散性血管内凝血
B．毛细血管收缩
C．毛细血管广泛扩张
D．代谢性酸中毒
E．心功能不全
参考答案：A
The responsibility （职责） of students is to study. But studying requires （要求） the right way, 1 The following are the ways of studying. 2 Because in the morning, the air is fresh and the mind is Clear. For that reason we can get good results. 3 If we have not known a text well, we must read it again. We should not read the next one till we have learned the first one well. When we are studying, we must put our heart into the book, 4 We must always ask "Why" . If something is not well understood, write it down and ask our teachers, parents or friends. 5 Though there are many ways of studying, the above-mentioned will be quite enough if we can keep them in mind and do so.
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