输尿管损伤多发生于() ["骨盆骨折","骑跨伤","憋尿时下腹部被踢伤","妇科或直肠手术","肋骨骨折"]
择期手术气管插管的禁忌证包括()。 ["声带麻痹","气管内肿瘤","急性喉水肿","凝血功能障碍","声带出血"]
患者,女性,50岁,发生子宫Ⅲ度脱垂并发阴道前后壁膨出,最有效的治疗方法是() ["子宫托","宫旁注射药物","阴道前后壁修补术","经阴道全子宫切除","经阴道全子宫切除+阴道前后壁修补术"]
滚动轴承的失效形式主要有哪几方面?
苯二氮卓类取代巴比妥类的优点不包括()。 ["无肝药酶诱导作用","用药安全","耐受性轻","停药后非REM睡眠时间增加","治疗指数高,对呼吸影响小"]
怎样用单根镦夹具张拉预应力筋?