Pulmonary function testing in patients with neuromuscular weakness would show normal values for which of the following?
a. Diffusing capacity of the lungs (DLCO)
b. Vital capacity
c. Forced expiratory volume in 1 second
d. Total lung capacity
ANS: A
Residual volume is normal or increased, and diffusing capacity corrected for alveolar volume is normal or near normal but has been reported to be decreased.
Health Professions
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