試題詳解

72. 以下何者錯誤?
(A)Obesity 會引起 expiratory reserve volume and FRC 下降, in morbid obesity DLCO 下降是由於 airway closure and atelectasis,其 ventilatory response to carbon dioxide 經常是下降的.
(B)Obesity hypoventilation syndrome (OHS) 的定義: obesity (body mass index, BMI ≥30 kg/m2), chronic alveolar hypoventilation with daytime hypercapnia (awake PaCO2 ≥45 mm Hg), and sleep-related breathing disorder in the absence of any other causes of hypoventilation.
(C)For aging lung, progressive decline in FVC and FEV 1 did not begin until the middle 30s, and that the subsequent decline in FEV 1 /FVC was linear with age, independent of FVC, similar in men and women
(D)For aging lung: DLCO 會下降是因 membrane diffusing capacity decreases after 40 years of age