男，37岁，诊断肾病综合征，近1周右下肢疼、凉，右足背动脉搏动触不清，趾指皮肤发绀，应首先考虑的并发症是（） ["下尿路感染","右下肢静脉血栓","心源性休克","急性肾衰","右下肢动脉栓塞"]
三角挺主要提供的是（） ["牵引力","轮轴力","扭转力","摇动力","楔力"]
纵隔气肿可见于（） ["横膈矛盾运动","横膈连续征","横膈下降","横膈上升","假横膈"]
外源性凝血系统和内源性凝血系统形成凝血活酶都需要的凝血因子是（）. ["Ⅹ","Ⅺ","Ⅸ","Ⅶ","Ⅲ"]
胃肠实热所致的呕吐可用下列哪方治疗（） ["半夏泻心汤","生姜泻心汤","甘草泻心汤","大黄甘草汤"]
试述膝关节矫形器有哪些类型。
