A Subject Has a DLCOsb of 10

question 14

Multiple Choice

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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