鼻腭神经和腭前神经的交叉部位在（） ["上颌切牙腭侧","上颌尖牙腭侧","上颌第一前磨牙腭侧","上颌第二前磨牙腭侧","上颌第一磨牙腭侧"]
旋毛虫病患者水肿的特点是（） ["发生在双下肢","约80％的病人出现","进展迅速","持续2周左右","发生在眼睑、颜面、眼结膜"]
窦性心动过缓，心率>50/min，常采用的措施是（） ["无须治疗","口服麻黄碱","皮下注射阿托品","含服异丙肾上腺素","静滴去甲肾上腺素"]
司比曲线是（） ["['['上颌牙列的纵
曲线","下颌牙列的纵
曲线","横
曲线","一条向上凸的曲线","补偿曲线"]
下列方法用于治疗窦性心动过缓，除了（） ["二羟丙茶碱（喘定）","氨茶碱","阿托品","异丙肾上腺素","人工心脏起搏器"]
闸阀具有哪些优点？
