肝性脑病的诱因有（） ["消化道出血","高蛋白饮食","输血","酗酒","感染"]
"一侧腋杖和对侧足同时伸出一余下的腋杖和足再同时伸出"描述的是截瘫患者（） ["交替拖地步行","同时拖地步行","四点步行","三点步行","两点步行"]
肝性脑病诱因的影响是（） ["增加毒物的产生","降低肝脏的解毒能力","增加肝脏负担","增加脑组织对毒物的敏感性","减低脑细胞对毒物的耐受性"]
肝硬变时引起门脉高压症的机制是（） ["假小叶压迫肝内血管","肝内血管扭曲、减少","肝动脉和门静脉异常吻合","肝静脉和门静脉异常吻合","部分肝动脉闭塞"]
肝硬变的死亡原因有（） ["肝性脑病","上消化道大出血","合并肝癌","继发感染","腹水"]
文字沟通的优缺点有哪些？
