COPD is airflow limitation that is not fully reversible t/f {Ans: } True__________ is characterized by reversible airflow obstruction {Ans: } AsthmaDestruction and permanent enlargement of airspaces distal to terminal bronchioles characterized by destruction of alveoli without obvious fibrosis and hyperinflation/air trapping is known as: A. COPD B. Asthma C. Chronic Bronchitis D. Emphysema {Ans: } D. EmphysemaSputum production daily for 3 or more months for 2 or more years is characteristic of _________________ {Ans: } Chronic BronchitisSmoking> 30 years Chronic coughing excessive sputum production 4th and 5th decade of life Genetic component Are characteristics of what? {Ans: } Typical COPD patientStage 1: Mild A. FEV1/FVC <70%, FEV1> 80% B.FEV1/FVC <70%, FEV1 50-79% C.FEV1/FVC <70%, FEV1 30-49% with or w/o sx D.FEV1/FVC <70%, FEV1 <30% or <50% with resp failure {Ans: } AStage 2: moderate A. FEV1/FVC <70%, FEV1> 80% B.FEV1/FVC <70%, FEV1 50-79% C.FEV1/FVC <70%, FEV1 30-49% with or w/o sx D.FEV1/FVC <70%, FEV1 <30% or <50% with resp failure {Ans: } BStage 3: severe A. FEV1/FVC <70%, FEV1> 80% B.FEV1/FVC <70%, FEV1 50-79% C.FEV1/FVC <70%, FEV1 30-49% with or w/o sx D.FEV1/FVC <70%, FEV1 <30% or <50% with resp failure {Ans: } CStage 4: very severe A. FEV1/FVC