Which airways are most susceptible to airway obstruction in patients with COPD?
a. Small
b. Medium
c. Large
d. Central
ANS: A
The mechanisms of airflow obstruction in COPD include inflammation and obstruction of small airways (<2 mm in diameter).
Health Professions
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What abnormality may appear to be present on the chest x-ray but is simply due to abnormal ro-tation of the patient during production of the film?
a. Enlarged lungs b. Enlarged heart c. Widened mediastinum d. Thickened pleura
Health Professions