下述哪项支持门脉性肝硬化() ["结节大小相仿,纤维分隔薄而均匀","结节大小不等,纤维分隔厚薄不均","肝脏呈细颗粒状,深绿色","树枝状纤维组织将肝脏分割为粗大结节","肝内散在多个大结节"]
下列各种常见的胸痛其疼痛性质叙述错误的是() ["心绞痛--压榨性","带状疱疹--刀割样或灼痛","食管炎--绞痛","干性胸膜炎--尖锐刺痛","肺梗死--剧烈刺痛伴呼吸困难"]
患者,女性,26岁,2小时前被锐器刺伤左上腹,即感腹痛,伤口有活动性出血,伴恶心呕吐,心慌。查体:T:36.9℃,P:120次/分,R:48次/分,BP70/40mmHg;急性失血貌,唇苍白,四肢稍发冷,心肺未见异常,左腹部可见刀刺伤伤口,有活动性出血,肌紧张,肠鸣音消失。血红细胞1.0×1012/L,Hb50g/L。该患者的初步诊断是() ["A.空腔脏器破裂(结肠破裂)","脾破裂","小肠破裂","肝破裂","膈肌破裂"]
患者,男,48岁,5年前出现排便时出血,多为便纸上带血,时有鲜血附于粪便表现,无局部疼痛,无肿块脱出,往往于进食辛辣食物、大便硬结时发作和症状加重。体检:截石位,在齿状线上1cm约7点处触及柔软团状肿块,无触痛,指套退出无染血。引起该患者便血的原因首选()。 ["A.Ⅰ度内痔","Ⅱ度内痔","Ⅲ度内痔","血栓性外痔","混合痔"]
消化道出血出现黑便时,出血量不少于() ["10ml","20ml","30ml","50ml","100ml"]
桩核修复后,唇侧为金属烤瓷冠留出的间隙为()。