Which of the following is an effect of aging on the respiratory system?
A)vital capacity is unchanged
B)minute ventilation rates increase
C)residual volume increases
D)gas exchange in the lungs remains unchanged

Question

Quizplus · Accepted Answer

As people age, the elasticity of the lungs decreases and they become harder to inflate and deflate. This leads to an increase in residual volume, which is the volume of air that remains in the lungs after a forced expiration. This increase in residual volume makes it more difficult for older individuals to take in fresh air, leading to decreased lung function.

Which of the Following Is an Effect of Aging on the Respiratory