张某，76岁，因大叶性肺炎入院治疗，给予吸氧、抗炎、支持疗法，每日静脉输液量约为1000ml。今晨输液过程中患者突然感到胸闷、呼吸困难，严重发绀，心率130次/分，心前区听诊可闻及响亮、持续的水泡音。
患者可能发生了
A．急性肺水肿
B．哮喘急性发作
C．心力衰竭
D．过敏反应
E．空气栓塞
参考答案：E
解析：根据患者特征性的症状：突感胸闷、呼吸困难，严重发绀，听诊心前区可闻及响亮的、持续的水泡声，可以初步确定患者发生了空气栓塞。
Everyone is talking about bird flu. Yes, it is a very dangerous illness that could make people very sick. It will be some months still before we have good medicine 1 bird flu. But that doesn’t mean you can’t do anything to prevent（预防）it now. So far, all the people who have caught bird flu have been those who touched sick chickens or their 2 . So it’s a good idea for people 3 living chickens. “People 4 go to the markets to buy living chickens to eat, but now they have to change that habit（习惯）,” said Peter Cordingley, a WHO expert（专家）. But if you do touch a sick bird, remember 5 your hands carefully with soap right away . Experts also say having good habits and a healthy body will help you 6 safe from bird flu. For example, do not buy or eat birds that 7 . Do not eat anything that has touched raw（生的） meat. Also, don’t forget to open your windows often and exercise every day. 8 enough sleep is also very important for beating illness. If you feel sick, see a doctor as soon as possible. 9 , no one in China has bird flu. But WHO says children under 12 years old could easily get sick with bird flu. Try to stay away from people who have the flu, and always cover your mouth and nose when you 10 .
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