问题
单项选择题 案例分析题
患者男性，26岁，因“车祸后足背部皮肤缺损”来诊。患者入院后行游离股前外侧游离皮瓣修复创面。术后1天发现皮瓣颜色白，毛细血管充盈变慢，应用罂粟碱治疗不缓解。
皮瓣异常的可能原因是（）
A.术后吻合动脉血栓形成
B.术后吻合静脉血栓形成
C.术后吻合动脉痉挛
D.术后吻合静脉痉挛
E.术后吻合动静脉均发生血栓
答案
参考答案：A
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患者男性，26岁，因“车祸后足背部皮肤缺损”来诊。患者入院后行游离股前外侧游离皮瓣修复创面。术后1天发现皮瓣颜色白，毛细血管充盈变慢，应用罂粟碱治疗不缓解。
皮瓣异常的可能原因是（）
A.术后吻合动脉血栓形成
B.术后吻合静脉血栓形成
C.术后吻合动脉痉挛
D.术后吻合静脉痉挛
E.术后吻合动静脉均发生血栓
参考答案：A
Here is a report(成绩单) of the students’ English competition. Find the right answers to the following questions.
A. Group One B. Group Two C. Group Three 小题2:Group Two spoke as _____ as Group Four. A. clearly B. quickly C. freely 小题3:Group Two did worst in “______”. A. speak freely B. have good manners C. co-operate well 小题4:In answer correctly, Group Three got _____ more marks than Group One. A. 4 B. 5 C. 9 小题5:According to the report, which of the following is NOT true? A. Group Three is the winner of the competition. B. Group One did as well as Group Four in “Answer quickly”. C. All groups did best in “Speak loudly” of all the items. |