72.下列何者不能提供有效的正壓呼吸(positive pressure ventilation)?
(A)甦醒袋面罩擠壓(Ambu-mask bagging)
(B)喉罩呼吸管(Laryngeal mask airway)
(C)氧氣流(Free oxygen flow)
(D)氣管內插管(Endotracheal tube)

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統計: A(2), B(9), C(156), D(4), E(0) #1038386