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Pulmonary function can be altered by a number of factors, including: Obesity: Can cause airway narrowing, reduced ventilatory muscle endurance, and reduced DLCO. Diabetes: Can cause an increase in airway resistance. Respiratory viral infection: Can cause inflammation, increased sensitivity of airway reflexes, and altered regulation of bronchial tone. Idiopathic pulmonary fibrosis: A complex disease that affects the lower respiratory system. Anesthesia and operative treatment: Can cause frequent and rapid alterations in respiratory function. Bracing: Can cause a deterioration of pulmonary function in adolescents with idiopathic scoliosis. Inflammatory bowel disease: Can cause frequent and persistent alterations in pulmonary function.
Other factors that can affect lung capacity include: age, gender, body composition, and ethnicity.
Related Test: Pathophysiology Practice Test: Structure and Function of the Pulmonary System
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