患者,男性,30岁,转移性右下腹痛10小时,并恶心、呕吐,吐物为胃内容,量少,并发热,体温约38.2℃,脉搏98次/分,右下腹压痛、反跳痛,肌紧张,腰大肌试验阳性,血白细胞为12×109/L,中性90%,尿常规白细胞8~10个/HP,红细胞2~3个/HP。该患者手术后最常出现的并发症为() ["A.肠粘连梗阻","肠瘘","腹腔残余脓肿","腹腔出血","切口感染"]
韶山扭型电力机车长短拉杆为()构成。 ["45号锻钢","20号锻钢","30号锻钢","50号锻钢"]
患者,男性,30岁,转移性右下腹痛10小时,并恶心、呕吐,吐物为胃内容,量少,并发热,体温约38.2℃,脉搏98次/分,右下腹压痛、反跳痛,肌紧张,腰大肌试验阳性,血白细胞为12×109/L,中性90%,尿常规白细胞8~10个/HP,红细胞2~3个/HP。该患者可能出现的最严重并发症为() ["A.门静脉炎","肠梗阻","化脓性腹膜炎","腹腔脓肿","水、电解质紊乱"]
轴箱装设在车辆两端的()上。 ["防尘座","轴颈","轴身","抱轴颈"]
当韶山s改型电力机车抱轴瓦间隙超过()就应该重新挂合金或换瓦。 ["0,5mm","0.6mm","lmm","16mm"]
辅导员的主要工作职责有哪些?