题目: He hardly hurt himself in the accident, ______? [ ]A. doesn't he B. didn't he C. did he D. does he 答案: 答案:C
题型:单项选择题 A1/A2型题 有关上消化道出血,下列不正确的是哪项()A.上消化道大量出血一般指在数小时内失血量大于1000mlB.胃内积血量在250~300ml可引起呕血C.粪隐血试验阳性,失血量>5~10ml/天D.黑粪提示出血>50~100ml/天E.250ml/次可有急性失血表现 查看答案
题型:单项选择题 下述Caroli病CT特点,错误的是()A.增强扫描可见“中心圆点征”B.病变主要分布于肝脏周边区域C.病灶内无结石D.肝内单发或多发囊状低密度影E.给予胆管对比剂,显示病变与胆管相通 查看答案