溶血反应的开始阶段的临床表现是()。 ["心前区压迫感,血压下降","局部潮红,荨麻疹","四肢麻木,头部胀痛、胸闷、腰背剧疼","寒战高热,呼吸困难","皮肤有出血点和瘀斑,少尿、无尿"]
GB/T2975对钢材力学及工艺性能试验样坯切取有哪些规定?
急性肾小管坏死时临床分期() ["感染期,衰竭期","少尿期,多尿期","衰竭期,恢复期","感染期,少尿期,多尿期","少尿期,多尿期,恢复期"]
用碘伏对细菌繁殖体污染物品的消毒的浓度和时间分别是()。 ["250mg\/L,20min","50mg\/L,40min","500mg\/L,30min","200mg\/L,15min","150mg\/L,15mi"]
患者,男,52岁。因视物模糊来院,影像学检查如下图。
该病的致病原因可能为()
原油的二次加工的目的?