A nurse is conducting an in-service on asthma. Which statement is the most descriptive of bronchial asthma?
a. There is heightened airway reactivity.
b. There is decreased resistance in the airway.
c. The single cause of asthma is an allergic hypersensitivity.
d. It is inherited.
ANS: A
In bronchial asthma, spasm of the smooth muscle of the bronchi and bronchioles causes constriction, producing impaired respiratory function. In bronchial asthma, there is increased resistance in the airway. There are multiple causes of asthma, including allergens, irritants, exercise, cold air, infections, medications, medical conditions, and endocrine factors. Atopy or development of an immunoglobulin E (IgE)–mediated response is inherited but is not the only cause of asthma.
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