20. 下列那項高頻通氣模式使用旋轉球閥(rotating-ball valve)來控制其呼吸頻率?
(A) High frequency oscillation ventilation
(B) High frequency flow interruption
(C) High frequency jet ventilation
(D) High frequency positive pressure ventilation

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統計: A(3), B(4), C(1), D(6), E(0) #1096669