Asthma is a disorder of the bronchial airways characterized by periods of bronchospasm. It may be extrinsic (allergic) or intrinsic (non- allergic). Extrinsic asthma usually begins in childhood and the client may be allergic to dust, pollen, insects, mold spores, smoke, medications and foods.Intrinsic asthma is triggered by internal disorders such as common colds, upper...