20 給予氧氣治療無法改善下列何者所引起的低血氧(hypoxemia)?
(A)換氣不足(hypoventilation)
(B)換氣灌流不配合(ventilation-perfusion mismatch)
(C)右至左分流(right-to-left shunt)
(D)擴散障礙(diffusion impairment)
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統計: A(8), B(13), C(45), D(39), E(0) #1097229
統計: A(8), B(13), C(45), D(39), E(0) #1097229