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"]
平衡的维持取决于() ["A．正常的肌张力 ","B．适当的感觉输入 ","C．大脑的整合作用 ","D．交互神经支配或抑制 ","E．骨骼肌系统"]
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"]
顺铂-乙基纤维其微粒的直径为() ["A．100～400μm","B．50～150μm","C．50～800μm","D．0.5～3mm","E．1mm"]
试述肝炎病毒类型。
