[名词解释] 中度脱水

液体疗法 生理性腹泻 等渗性脱水 下列哪种麻醉药作为分娩时硬膜外镇痛药是错误的() ["A．芬太尼","B．利多卡因","C．低浓度布比卡因","D．阿芬太尼","E．吗啡"] 引起鹅口疮的致病因素是()引起单纯疱疹性口腔炎的致病菌是() ["A．细菌","B．真菌","C．病毒","D．过敏","E．原虫"] 中度脱水