How are asthma and chronic obstructive pulmonary disease (COPD)different?

Question

Quizplus · Accepted Answer

Asthma is a problem of airway obstruction caused by constriction of the bronchial smooth muscles that surround the airways and by inflammation in the airways.It occurs in episodes or attacks.Between attacks,the airways are open.Thus the problem is intermittent and reversible.COPD,however,has permanent airway changes and is not cured by therapy.Both disorders can cause such severe airway obstruction that death occurs.

How Are Asthma and Chronic Obstructive Pulmonary Disease (COPD)different