单项选择题
A.立即气管插管B.去除堵管C.吸氧D.吸痰E.喊人抢救
A.5~6B.6~8C.3~4D.8~10E.4~6
A.成人80~140mmH2O,儿童40~100mmH2OB.成人70~140mmH2O,儿童40~120mmH2OC.成人70~200mmH2O,儿童50~100mmH2OD.成人70~140mmH2O,儿童50~100mmH2O
A.3~5B.2~3C.3~4D.1~2E.2~4
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