What pathophysiologic characteristic of asthma has been most recently emphasized in the de-scription and subsequent treatment of this disease?
a. Hyperactivity of the airways
b. Hyperinflation of the lung parenchyma
c. Inflammation of the airways
d. Mucus plugging of the airways
ANS: C
Past definitions of asthma emphasized airway hyperresponsiveness and reversible obstruction; newer and more accurate definitions of asthma focus on asthma as a primary inflammatory dis-ease of the airways, with clinical manifestations of increased bronchial hyperreactivity and air-flow obstruction secondary to the inflammation.
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