1. Asthma is the acute or chronic obstruction of airflow in the lungs. This relates to changes related to inflammation. The bronchi and bronchioles respond to stimuli with three changes, inflammation of the mucosa with edema, contraction of smooth muscle, and increased secretion of thick mucus in the passages. These changes obstruct airways, partially or totally, and interfere with airflow and oxygen supply. There are two types of asthma. Extrinsic, involves acute episodes triggered by a Type…
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