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患者，男性，52岁，主因右上肢疼痛麻木20天入院。患者自诉20天前无明显诱因出现右上肢疼痛麻木，伴有下肢无力，麻木，步态不稳，有踩棉花感，无晨僵，否认"肝炎、肺结核"等传染病史及接触史，查体：体温37℃，脉搏88次／分，呼吸18次／分，血压140/90mmHg，双下肢无浮肿，四肢肌力Ⅴ级，肌张力适中。颈椎核磁示：颈椎病。双侧肱二、三头肌腱反射及膝、跟腱反射正常存在，双侧巴氏征，克氏征，布氏征均阴性。

出现上述并发症的原因有（）

A.切口内出血压迫气管

B.喉头水肿

C.颈部制动

D.手术部位疼痛

E.术中损伤脊髓

答案

参考答案：A, B, E

名词解释

放射性活度及单位
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单项选择题

Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.

About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time！ With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag.

20（）

A.mistake 

B.delay 

C.change 

D.wind
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