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<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
. 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????




Its D
TLC is decreased so restrictive

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