Within one second after initiating a forced vital capacity (FVC) maneuver, a patient with normal lungs should be able exhale what percent of the FVC?
A. 35-50% of the FVC
B. 50-70% of the FVC
C. 70-83% of the FVC
D. 84-93% of the FVC
Ans: C. 70-83% of the FVC
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