患者男性，45岁，因“工作时不慎被机器挤压，右手离断3小时”来诊。查体：右掌侧不完全离断，离断指体呈苍白色，腕骨外露，近端创缘伴有少许渗血。
提示术后9小时，患手出现静脉危象。静脉危象的表现有（）
A.再植指皮肤暗紫
B.再植指皮肤苍白
C.皮温下降2℃
D.皮温下降1℃
E.指腹肿胀
F.指腹塌陷
G.毛细血管回流时间缩短（小于1秒）
参考答案：A, E
| 选择下列句子，完成下面对话。 | |
Mrs. Green: Yes, of course, Mrs. White! ________(1) Mrs. White: Well, my husband and I are leaving for London for a holiday. ________(2) Could yon look after him while we're away? Mrs. Green: ________(3) Tom is a smart boy. I'd love to look after him. What do I have to do? Mrs. While: Nothing ________(4) Cook dinner for him and put him to bed at ten. Mr. Green: Don't worry. Mrs. White: Thank you so much. Mrs. Green. Mrs. Green: ________(5) |