第24题: [单项选择]放置闭式引流后,进行性出血的指征是连续3小时、每小时引流血液超过() A. 50ml B. 100ml C. 150ml D. 200ml E. 250ml 参考答案:D 答案解析:胸腔闭式引流后每小时引流量超过200ml并持续2小时以上或24小时引流血液超过1000ml须开胸止血。
第28题: [单项选择]What do we learn from the conversation [A] Tim Smith isn’t in right now. [B] The caller dialed the wrong number. [C] Tim Smith is busy now. 参考答案:B 答案解析:[听力原文] M: May I speak to Mr. Smith, please W: There are two Smiths here. Which one do you wan