Question

What is COPD?

a.

A disease that causes swelling and narrowing of bronchial tubes

b.

An umbrella term for a group of respiratory tract diseases that are characterized by airflow obstruction

c.

A disease that causes swelling and narrowing of the esophagus

d.

A disease that causes swelling and narrowing of the trachea

Answer: (b).An umbrella term for a group of respiratory tract diseases that are characterized by airflow obstruction Explanation:Chronic Obstructive Pulmonary Disease or COPD is an umbrella term that is used for a group of respiratory tract diseases that are characterised by airflow obstruction.

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Q. What is COPD?

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