胆管结石的CT表现错误的是() ["胆管内环形或圆形致密影","靶征","新月征","以上胆管扩张","扩张的胆管突然中断并见软组织影"]
蛛网膜下腔阻滞平面的影响因素不包括() ["药物种类","药液比重","药液剂量","穿刺间隙","注射速度"]
瘢痕性幽门梗阻的首选手术方式是() ["毕Ⅰ式胃大部切除术","毕Ⅱ式胃大部切除术","幽门成形术","迷走神经干切除","高选择性迷走神经切除术"]
Budd-Chiari综合征的病理特点是() ["肝动脉闭塞","门静脉闭塞","肝静脉阻塞","门静脉扩张","肝静脉扩张"]
下列各项均符合急性普通型阿米巴痢疾的诊断,除外() ["发病数天前曾有不洁食物进食史","缓慢起病,无明显发热","每天排大便20次以上","周围血液白细胞数无明显增多","皮肤有皮疹和出血点"]
CO毒迟发性脑病