A subject has a DLCOsb of 10.2 ml CO/min/mm Hg (STPD),which is 51% of her predicted value.Her D_L/V_A ratio is 4.1.Which of the following diagnoses is most consistent with these values? A) Pulmonary emphysema B) Pulmonary resection C) Cystic fibrosis D) COHb of 5.5%

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The Answer of A subject has a DLCOsb of 10.2 ml CO/min/mm Hg (STPD),which is 51% of her predicted value.Her D_L/V_A ratio is 4.1.Which of the following diagnoses is most consistent with these values? A) Pulmonary emphysema B) Pulmonary resection C) Cystic fibrosis D) COHb of 5.5%

A Subject Has a DLCOsb of 10