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问题 单项选择题 案例分析题

患者，男性，30岁，因右上肢被火药枪击伤后出血3小时，当地医院行清创及破伤风抗毒素（TAT）治疗后入院，查体：生命体征平稳，右上肢肿胀，麻木，触痛，右腕关节功能障碍，右桡动脉未扪及搏动。右上肢CR片提示：右上肢大量异物。

该患者首先应该考虑的检查是（）

A.右上肢X线检查

B.右上肢CT

C.右上肢血管造影

D.右上肢肌电图

E.右腕关节CT重建

答案

参考答案：C

单项选择题

Most plants can make their own food from sunlight, (1) some have discovered that stealing is an easier way to live. Thousands of plant species get by (2) photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground (3) of fungi(真菌). But in (4) a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how (5) are (6) , mycologist Martin Bidartondo of the University of California at Berkeley and his team looked in their roots. What they found were (7) of a common type of fungus, so (8) that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only (9) at how they survive, says Bidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.

Plants have (10) relations to get what they need to survive. Normal, (11) plants can make their own carbohydrates through photosynthesis, but they still need minerals. Most plants have (12) a symbiotic relationship with a (13) network of what are called my corrhizal fungi, which lies beneath the forest (14) . The fungi help green plants absorb minerals through their roots, and (15) , the plants normally (16) the fungi with sugars, or carbon with a number of plants sharing the same fungal web, it was perhaps (17) that a few cheaters—dubbed epiparasites—would evolve to beat the system. (18) , these plants reversed the flow of carbon, (19) it into their roots from the fungi (20) releasing it as "payment.\

6（）

A. getting by

B. getting on

C. getting through

D. getting over
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单项选择题 共用题干题

患者女性，26岁，体重58kg，面部及双手背深Ⅱ度烧伤，伴声嘶和呼吸困难，痰中带黑色颗粒。

为了最大程度恢复双手功能，错误的做法是（）

A.争取用中厚皮游离移植

B.尽量保存指蹼皮肤

C.尽早开始手部功能锻炼

D.手背切削痂只达浅筋膜面

E.手背切削痂最好达深筋膜
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