【单选题】【消耗次数：1】
肺的有效通气量是指
①
肺活量
②
每分通气量
③
每分肺泡通气量
④
潮气量
⑤
最大通气量
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潮气量为500ml，呼吸频率为16次/min，无效腔气量为150ml，肺泡通气量为
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2.4L/min
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4L/min
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