Posted by mimi from IP 71.215.221.4 on July 30, 2006 at 09:10:21:
A 60-year-old man who has smoked two packs of cigarettes daily for 40 years has chronic dyspnea. He has an emaciated appearance and pink discoloration of the skin. Both heart and lung sounds are difficult to hear. The figure shows the PA and right lateral chest radiograph. Which of the following results of pulmonary function tests would be expected?
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Decreased functional residual capacity (FRC)
Decreased total lung capacity (TLC)
Increased arterial PCO2
Increased forced expiratory volume 1 second (FEV1):forced vital capacity (FVC) ratio
Increased residual volume (RV)