In Women, How Much Does the VC Decrease Per Year

Question

In women, how much does the VC decrease per year?
A) 10 mL/year
B) 50 mL/year
C) 20 mL/year
D) 40 mL/year

Accepted Answer

In women, the vital capacity (VC) decreases by approximately 20 mL/year. This decline is part of the normal aging process, affecting lung function by reducing the maximum amount of air a person can exhale after maximum inhalation.