患者,男性,48岁,有肝硬化病史8年,最近出现腹水而在家休息。4天前开始解黑便,今天淡漠少言,反应迟钝来就诊,怀疑有肝性脑病可能。肝性脑病患者用乳果糖的主要作用是()。 ["A.增加糖的供给,保护肝脏","导泻","抑制肠道细菌繁殖","改变肠道pH","抑制血氨形成"]
在城市环境污染中,()是当前世界最普遍最严重的环境问题之一。 ["大气污染","废水污染","固体废物污染","噪声污染"]
下列经过肝正中裂内的是() ["肝中静脉","腔静脉","肝右门静脉","肝右静脉","右肝管"]
糖尿病病人行择期手术,空腹血糖应低于()。 ["3.9mmol/L","5.8mmol/L","7.2mmol/L","8.4mmol/L","10.6mmol/L"]
增强CT扫描,转移性肝癌最常见的强化类型是() ["充填式强化","环形强化","轻到中度不均匀性强化","明显均匀强化","包膜征"]
卵巢内胚窦瘤()卵巢浆液性乳头状癌()卵巢颗粒细胞瘤()滋养细胞肿瘤()