A patient arrives in the emergency room with an attack of acute bronchiectasis. The nurse knows that the principal pathologic finding in the diagnosis of bronchiectasis includes what?
A) Increase in the red blood cell concentration in the blood
B) Leakage of fluid into the alveolar interstitial spaces
C) Chronic, irreversible dilation of the bronchi and bronchioles
D) Obstruction of the pulmonary vasculature by a clot
C
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Bronchiectasis is a chronic disease that involves the bronchi and bronchioles. It is characterized by dilation of the bronchial tree, chronic infection, and inflammation of the bronchial passages. It is not caused by increased red blood cell concentration in the blood, leakage of fluid into the alveolar interstitial spaces, or the obstruction of the pulmonary vasculature by a clot.
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