Which of the following is a characteristic of the paranasal sinuses?
A) are found in the maxillary, ethmoid and lacrimal bones
B) lighten the skull
C) open into the oral cavity
D) none of the above

Question

Quizplus · Accepted Answer

The paranasal sinuses, including those in the maxillary, ethmoid, sphenoid, and frontal bones, help lighten the skull and contribute to the resonance of the voice. They do not open into the oral cavity but rather into the nasal cavity. The lacrimal bones do not contain sinuses.

Which of the Following Is a Characteristic of the Paranasal