The upper respiratory tract is composed of:

Question

Quizplus · Accepted Answer

The upper respiratory tract consists of the nose, pharynx, and larynx. Option D includes all of those structures. Option A is incorrect because it includes the trachea as part of the upper respiratory tract, which is actually part of the lower respiratory tract. Option B is incorrect because it includes the larynx as part of the middle respiratory tract, which is not a commonly recognized respiratory tract. Option C is incorrect because it includes the lungs, which are part of the lower respiratory tract. Option E is incorrect because it only includes the nose and pharynx, leaving out the larynx.

The Upper Respiratory Tract Is Composed Of