<prompt> The diffusion capacity of lung DLCO is decreased in all of the following conditions, EXCEPT:Interstitial lung diseaseGoodpastures syndromeEmphysemaPrimary pulmonary hypeension  <response>: DLCO decreases in conditions that thicken or destroy alveolar membrane Interstitial lung disease, Emphysema and cuail the pulmonary vasculature pulmonary hypeension.DLCO is elevated in acute congestive cardiac failure, asthma, and pulmonary hemorrhage. Goodpastures syndrome is characterized by pulmonary hemorrhage and renal involvement. Ref: Harrisons principles of internal medicine, 18th edition, Page: 2092 