严重创伤病人失血性休克发病率可达() ["100%","85%","80%","90%","95%"]
婴儿生后2~3个月时红细胞数降至3.0×1012/L,血红蛋白量降至110g/L。此时出现的贫血是()。 ["生理性贫血","溶血性贫血","营养性缺铁性贫血","营养性巨幼红细胞贫血","再生障碍性贫血"]
当温度达到()时,热凝牙托粉中的引发剂过氧化苯甲酰发生热分解,产生自由基,引发甲基丙烯酸甲酯进行链锁式的自由基加成聚合,最终形成坚硬的树脂基托。 ["A.50~57℃","B.58~67℃","C.68~74℃","D.75~83℃","E.85~95℃"]
关于脾的描述不正确的是()。 ["位于左季肋部","与8~10肋相对","长轴与第10肋一致","在肋弓下不能触及","上缘有2~3个脾切迹"]
判断创伤病人是否饱胃,下列哪项最重要() ["进食与手术麻醉的间隔时间","进食与受伤的间隔时间","受伤与手术麻醉的间隔时间","进食量","是否伴有休克"]
脑脊液第一管标本适合于()脑脊液第三管标本适合于()脑脊液第二管标本适合于()