Which of the following statements is TRUE about lung capacity in middle age?
A)There is significant change in lung capacity through most of middle adulthood.
B)In late middle age,the proteins in lung tissue become more elastic.
C)Stiffening of the chest wall decreases the lungs' capacity to shuttle oxygen.
D)The lung capacity of smokers increases drastically in middle age.

Question

Quizplus · Accepted Answer

Stiffening of the chest wall due to aging decreases the lungs' capacity to shuttle oxygen. This is a common problem that affects lung function and respiratory health in middle age. The other options are not true about lung capacity in middle age. There is some decline in lung capacity with age, but it is gradual and varies between individuals. The proteins in lung tissue do not become more elastic in late middle age, and lung capacity does not increase drastically in smokers.

Which of the Following Statements Is TRUE About Lung Capacity