Medicine Which of the following statement is/are true about Obstructive lung disease ? A mMRC dyspnea scale ,grade 2 includes shoness of breath when hurrying up inclines B Decreased FEV1/FVC ,TLC is increased C Normal PEFR and decreased in Lung volume D Roflumilast is introduced in management of COPD in Group C 💡 Explanation Which of the following statement is/are true about Obstructive lung disease ? ✓ Correct Answer: B. Decreased FEV1/FVC ,TLC is increased