牵张训练后,为减少牵张后所致的微小损伤性肌痛,错误的是() ["应用热疗减少肌痛","将关节处于展长位","在获得进展的活动度内进行主动训练","在获得进展的活动度内进行功能活动","发展原动肌与拮抗肌之间的力量平衡"]
男,28岁。半小时前被车撞伤后送入急诊室。查体:血压60/30mmHg,神志清楚,呼吸困难,面色苍白,四肢发凉,脉搏细速。左胸部压痛,左侧呼吸音消失,叩诊鼓音,右侧呼吸音降低。在急诊室首先应进行下列哪项处理() ["A.胸腔闭式引流术","胸带加压包扎固定","肋骨牵引固定","心包穿刺术","剑突下心包开窗术"]
男性,35岁,低热2周,咯血3天,疑诊肺结核,最具诊断价值的检查为() ["X线检查","肺功能","胸部CT","痰结核菌检查","结核菌素试验"]
牙槽骨中有许多骨小梁者见于() ["固有牙槽骨","束骨","松质骨","牙槽骨外骨板","类骨质"]
男性,58岁,进行性贫血。消瘦、乏力半年。有时右腹隐痛,无腹泻。查体:右中腹部扪及肿块,肠鸣音活跃。行标准根治术后病理结果为DukesB期,其5年生存率为() ["A.25%","35%","45%","55%","65%"]
何谓“天然”抗体?这种抗体有些什么性质?