[名词解释] Ⅰ度烧伤

简述我国常用的烧伤病情分类方法? 试述烧伤现场急救原则? 毒物中毒的作用机制是() ["A．局部刺激","B．缺氧","C．麻醉作用","D．抑制酶的活力","E．竞争受体"] 对伴有呼吸衰竭的巴比妥类药物中毒者可用() ["A．洛贝林","B．尼可刹米","C．苯甲酸钠咖啡因","D．贝美格","E．纳洛酮"] 浅Ⅱ度烧伤 Ⅰ度烧伤