第23题: [单项选择]关于自体输血,下列哪项说法是不正确的 A. 自体输血可减少输血反应和疾病传播 B. 当应用稀释式自体输血时,最好先采的先输,后采的后输 C. 预存式自体输血,可于术前1个月开始采血 D. 脾破裂出血手术时,可采用回收式自体输血 E. 胸腹腔开放性损伤超过4h,或血液在体腔内存留过久,是自体输血的禁忌 参考答案:B 答案解析:[解题思路] 因为自体输血是收集自体血液输还本人,所以不需检测血型和交叉配血试验,减少输血反应,没有传播疾病的危险。当有胸腹腔内出血(如脾破裂、异位妊娠破裂)或心血管大手术出血时,可用血液回收机收集,
第24题: [单项选择]A: I’m much grateful to you for everything you’ve done for me. B: ( ). A. Forget about it. B. That’s all right. C. I’m pleased to be at your service. D. You are very welcome to visit our country. 参考答案:C