Emphysema occurs when the walls of the alveoli are destroyed, reducing surface area for gas exchange. This condition impacts the
A) upper respiratory system more than the lower.
B) upper respiratory system as much as the lower.
C) sinuses.
D) lower respiratory system more than the upper.
E) trachea only.

Question

Quizplus · Accepted Answer

Emphysema primarily affects the lower respiratory system because it involves the destruction of alveoli, which are located in the lungs, a key component of the lower respiratory system. The upper respiratory system includes structures like the nose, nasal cavity, and pharynx, which are not directly affected by emphysema.

Emphysema Occurs When the Walls of the Alveoli Are Destroyed