When discussing the pathophysiology of COPD with a newly admitted patient, the nurse would be correct in emphasizing which of the following?
A) Bronchial plugging by purulent secretions
B) Obstruction of the pulmonary vasculature with an embolus
C) Chronic dilation of a bronchus or bronchi
D) Airflow limitation causing chronic inflammation
Ans: D
Feedback: The pathophysiology of COPD includes an airflow limitation causing chronic inflammation. Early in the course of COPD, the inflammatory response causes pulmonary vasculature changes that are characterized by thickening of the vessel wall. The pathophysiologic component of cystic fibrosis includes bronchial plugging by purulent secretions. Obstruction of the pulmonary vasculature occurs when a pulmonary embolus has developed. Bronchiectasis is chronic dilation of a bronchus or bronchi.
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