神经肌肉接头处囊泡中的乙酰胆碱量约占其总量的() ["A．50%","B．70%","C．80%","D．90%","E．95%"]
预先注射小量下列哪种药可预防琥珀胆碱的肌束搐颤和术后肌痛() ["A．阿托品","B．苯海拉明","C．硝酸甘油","D．阿曲库铵","E．利多卡因"]
琥珀胆碱用量达下列多少以上可通过胎盘进入胎儿体内() ["A．50～1OOmg","B．110～150mg","C．160～200mg","D．210～250mg","E．260～300mg"]
预注给药剂量一般为插管剂量的() ["A．1/2","B．1/3～1/4","C．1/5～1/10","D．1/15","E．1/20"]
使用新霉素而致呼吸抑制，用新斯的明拮抗效果不满意时，可行人工呼吸并用适当的药物，可选用() ["A．阿托品","B．链激酶","C．葡萄糖酸钙","D．尼可刹米","E．丙烯吗啡"]
新生儿()2个月婴儿()9个月婴儿()12个月婴儿()
