Which of the following is NOT a typical respiratory system change observed as the result of aging?
A)alveoli become less elastic
B)decreased activity of alveolar macrophages
C)increased ciliary activity of epithelial cells lining upper respiratory system
D)chest wall becomes more rigid
E)decreased blood oxygen levels

Question

Quizplus · Accepted Answer

Increased ciliary activity of epithelial cells lining the upper respiratory system is not a typical respiratory system change observed as the result of aging. The other options (A, B, D, and E) are all commonly observed changes that occur as a result of aging.

Which of the Following Is NOT a Typical Respiratory System