What is the impact of reduced lung elasticity from pulmonary fibrosis?

• A. Improves ventilation
• B. Reduces compliance
• C. Enhances gas exchange efficiency
• D. Increases lung volume

Answer: (B)

Reduced lung elasticity due to pulmonary fibrosis is characterized by the stiffening of lung tissue, which leads to a decrease in lung compliance. Compliance refers to the ability of the lungs to expand and contract with changes in pressure; when elasticity is compromised, the lungs are less able to fully inflate and deflate. As a result, higher pressures are required to achieve the same degree of lung inflation, making it harder for individuals with this condition to breathe deeply and effectively.

In conditions like pulmonary fibrosis, the scarring and thickening of lung tissue restrict airflow and impair the lung’s natural ability to expand, thereby significantly affecting overall lung function. Consequently, this reduction in compliance negatively impacts the mechanical aspect of ventilation, making it more challenging for patients to take in sufficient air for proper gas exchange.