血压无明显变化的输血反应是()。
A.过敏性反应
B.非溶血性发热反应
C.细菌污染反应
D.急性溶血反应
E.循环超负荷
参考答案:B
解析:非溶血性发热反应时一般血压无明显变化。过敏性反应严重可引起过敏性休克,表现血压降低;细菌污染反应可引起感染性休克,血压降低;急性溶血反应可引起低血容量休克表现血压降低。循环超负荷血压可升高,发生心源性休克后则血压降低。
血压无明显变化的输血反应是()。
A.过敏性反应
B.非溶血性发热反应
C.细菌污染反应
D.急性溶血反应
E.循环超负荷
参考答案:B
解析:非溶血性发热反应时一般血压无明显变化。过敏性反应严重可引起过敏性休克,表现血压降低;细菌污染反应可引起感染性休克,血压降低;急性溶血反应可引起低血容量休克表现血压降低。循环超负荷血压可升高,发生心源性休克后则血压降低。
阅读理解。 | |
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1. If you go to Hainan Island for a trip in summer, you should take _______ with you. |
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A. warm clothes and sports shoes B. sunglasses and sunblock C. fashionable clothes and a big bag D. some fruit and drinks. |
2. According to the passage, _______ is a good way to keep away from boredom (无聊) while you are on a train or a bus. |
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A. taking a camera B. reading a good book C. listening to music D. sleeping for some time |
3. You must always _______ while you are at some busy places because there are often thieves there. |
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A. take your things away B. look after your things well C. give your things away D. get your things ready |
4. If a student wants to buy some presents at lower prices while traveling, he should show _______ to the shop assistant. |
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A. his ID card B. his name C. his passport D. his student card |
5. The underlined word "capture" in this passage means "_______" |
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A. 拍摄 B. 感受 C. 抓住 D. 控制 |