Which of the following differentiates chronic obstructive pulmonary disease (COPD) from asthma?
A) COPD is an obstructive disease, and asthma is a restrictive disease.
B) The FEV1/FVC ratio is reduced in asthma but not in COPD.
C) Airflow obstruction caused by chronic obstructive pulmonary disease is irreversible, whereas it is reversible in asthma.
D) COPD is characterized by an immunoglobulin E response, whereas asthma involves other mediators

Question

Quizplus · Accepted Answer

Airflow obstruction in COPD is typically irreversible due to structural changes in the lungs, whereas in asthma, it is usually reversible with bronchodilators.

Which of the Following Differentiates Chronic Obstructive Pulmonary Disease (COPD)