患者,女,27岁。低热、乏力2周,咳嗽,痰中带血,CT示右肺下叶一不规则高密度影,边界不清,其中见空洞,周围可见小斑点状卫星灶,血沉50mm/h。下列检查对诊断最有意义的是() ["痰抗酸杆菌检查","血常规","痰细菌培养","血沉","纤维支气管镜"]
下列导致肠梗阻的原因中,不应考虑立即手术治疗的是() ["小肠扭转","小肠粘连","成年人肠套叠","急性肠系膜上动脉血管闭塞","回盲部肿瘤"]
环境中的微生物可使毒性低的无机汞转变成毒性高的甲基汞,其中吸收速度快通过食物链引起生物富集的食物主要是() ["乳类","鱼类","植物性食品","肉类","蛋类"]
根据中国新九分法,成人双上肢全部烧伤,其面积为() ["9%","7%","5%","18%","15%"]
锋电位由顶点向静息电位水平方向变化的过程称为() ["极化","去极化","超极化","复极化","反极化"]
温室效应