In GOLD (Global Initiative for COPD), which pulmonary measurements are used to assess the severity of COPD?
a. FEV1 and FEV1/FVC c. FEV1 and TLC
b. FVC and PEFR d. FEV1 and FEF200-1200
a. FEV1 and FEV1/FVC
Health Professions