简述白血病的诊断要点。
关于上消化道出血量的估计下列哪项是对的:() ["每日出血量在50ml以上粪便隐血试验才呈阳性反应","每日出血量200ml以上才会出现黑便","胃内积血500ml才会发生呕血","一次失血超过500ml可有急性失血的全身表现","面色苍白,脉搏>110次/分,收缩压<80mmHg估计出血量占总血量的10%以下"]
引起上消化道出血的最常见的疾病是:() ["胃溃疡","十二指肠溃疡","肝硬化食管、胃底静脉曲张破裂","胃癌","出血性胃炎"]
食管胃底静脉曲张破裂出血时的止血用药是:() ["雷尼替丁","利血平","垂体后叶素","阿托品","地高辛"]
全民守法的落实途径是() ["培育法律信仰与法治文化","鼓励公民积极守法行为","建立社会诚信记录机制","教育普及法律知识"]
白血病的分类。