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. A 52-year-old man visits his family physician complaining about difficulty in breathing for the past several months. Results of his pulmonary function tests are shown in the center panel (B) of the figure. Which statement best describes how his functional residual capacity (FRC) has changed compared to normal and whether he has a restrictive or obstructive lung disorder?
A.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
Obstructive disease: FRC decreased
Obstructive disease: FRC increased
Obstructive disease: FRC unchanged
Restrictive disease: FRC decreased
Restrictive disease: FRC increased
Restrictive disease: FRC unchanged
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is it D????
TLC is decreased so restrictive
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