Question

which of the following is not normally considered a part of the lower respiratory tract?
o a. larynx
o b. pharynx
o c. bronchial tree and lungs
o d. trachea

Explanation:

The upper respiratory tract includes the nose, nasal cavity, pharynx (throat), and associated structures. The lower respiratory tract consists of the larynx (voice box), trachea (windpipe), bronchial tree, and lungs. So, the pharynx is part of the upper respiratory tract.

Answer:

B. Pharynx