A.隆突-会厌-声门-气管软骨环-左、右主支气管B.悬雍垂-会厌-声门-气管软骨环-隆突-左、右主支气管C.悬雍垂-声门-会厌-气管软骨环-隆突-左、右主支气管D.悬雍垂-会厌-声门-隆突-左、右主支气管-气管软骨环
A.无菌巾铺在车上B.小碗放置石蜡油纱块C.大碗盛300ML生理盐水D.纤支镜E.无菌手套一对
A.0.9%NS500MLB.灭菌用水500mlC.75%酒精500mlD.两个换药碗