使重症肌无力患者的肌肉活动恢复正常可给予() ["A．箭毒 ","B．阿托品 ","C．新斯的明 ","D．α-银环蛇毒 ","E．甘氨酸"]
衡量组织兴奋性的指标是() ["A．动作电位 ","B．阚电位 ","C．肌肉收缩或腺体分泌 ","D．阈强度 ","E．静息电位"]
失应力后肌肉骨骼生物力学方面的改变是由于() ["A．制动关节周围及滑膜组织的改变 ","B．关节软骨的改变 ","C．关节挛缩 ","D．胶原改变 ","E．韧带张力改变"]
下述钾的生理功能中，哪项是错的() ["A．参与细胞内糖和蛋白质的代谢 ","B．高钾使神经肌肉兴奋性降低 ","C．参与静息电位的形成 ","D．高钾抑制心肌收缩 ","E．维持细胞内的渗透压"]
脊髓的动脉来自于() ["A．椎动脉","B．颈内动脉","C．肋间后动脉","D．脑膜中动脉","E．腰动脉"]
CT检查的优点有哪些?
