Chronic obstructive lung disease is a combination of
A) chronic bronchitis and pulmonary emphysema.
B) pulmonary emphysema and lung cancer.
C) asthma and chronic bronchitis.
D) pneumonia and lung cancer.

Question

Quizplus · Accepted Answer

Chronic obstructive lung disease, also known as chronic obstructive pulmonary disease (COPD), is primarily a combination of chronic bronchitis and pulmonary emphysema.

Chronic Obstructive Lung Disease Is a Combination of