What May Cause the FVC to Decrease in a Patient

question 27

Multiple Choice

What may cause the FVC to decrease in a patient with a restrictive lung disorder?

• A) A decrease in lung size
• B) An increase in the expiratory reserve volume (ERV)
• C) A decrease in expiratory muscle mass
• D) An increase in airway resistance caused by the disease

---

Definitions:

Marginal Product

The extra output obtained by utilizing an additional unit of a production input.

Additional Revenue

Income that a business generates from activities not related to its primary operations, often enhancing overall earnings.

Unit of Labor

A measure of work or effort performed by a labor force, often used in assessing productivity or efficiency.

Marginal Revenue Product

The extra income produced by using an additional unit of a resource, such as manpower or investment.