Which of the following is not a characteristic of the paranasal sinuses?
A) They are air filled.
B) They are named after the bones in which they are located.
C) They drain or open into the oropharynx.
D) All of the above are true of the paranasal sinuses.

Question

Quizplus · Accepted Answer

The statement "They drain or open into the oropharynx" is incorrect. The paranasal sinuses drain into the nasal cavity, not the oropharynx.

Which of the Following Is Not a Characteristic of the Paranasal