22.下列那一種呼吸器是以對立氣流(opposing flow)方式產生吐氣末正壓(positive end-expiratory pressure,PEEP)?
(A)Siemens Servo 300
(B)Puritan Bennett 7200A
(C)Bird VELA
(D)Hamilton Veolar

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統計: A(13), B(30), C(28), D(9), E(0) #1059737