美罗华为第一个治疗_________的单克隆抗体，用于_________。
肝活检术多数采用的穿刺体位是() ["A．侧卧位","B．俯卧位","C．斜位","D．仰卧位","E．侧位"]
下述均为永久性栓塞剂，但应除外() ["A．自体血凝块","B．聚乙烯醇","C．IBCA胶","D．不锈钢圈","E．硅酮"]
常用于脑血管畸形栓塞的微小弹簧圈的直径为() ["A．2mm","B．3mm","C．5mm","D．8mm","E．4mm"]
关节的运动形式通常包括() ["A．屈曲 ","B．伸展 ","C．内收 ","D．外展 ","E．内外旋"]
试述乙型肝炎病毒主要的抗原抗体系统。
