The forced vital capacity is decreased in:

Question

Quizplus · Accepted Answer

Restrictive diseases, such as pulmonary fibrosis or chest wall deformities, result in decreased lung expansion, leading to decreased lung volumes and capacities, including forced vital capacity. Asthma, chronic bronchitis, and emphysema are all obstructive lung diseases characterized by increased airway resistance or damage to the pulmonary parenchyma, leading to air trapping and hyperinflation, but not necessarily a decrease in forced vital capacity.

The Forced Vital Capacity Is Decreased In