A 70-Year-Old Man Comes to the Office with a 2-Year

question 726

Multiple Choice

A 70-year-old man comes to the office with a 2-year history of progressive shortness of breath and productive cough.  The patient describes frequent episodes of bronchitis treated with oral antibiotics.  He has smoked a pack of cigarettes a day for the past 40 years.  Breath sounds are decreased throughout the lung fields bilaterally.
Which of the following results is likely to be seen on pulmonary function testing?
FEV1 = forced expiratory volume in 1 second; FVC = forced vital capacity; DLCO = diffusing capacity for carbon monoxide.

• A)A
• B)B
• C)C
• D)D

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