Which of the Following is True About Paranasal Sinuses

Question

Which of the following is true about paranasal sinuses?
A) Transport air to the larynx
B) Conduct air from the trachea to the alveoli
C) Produce sounds and moisten incoming air
D) Serve as resonant chambers
E) Transport air to the pharynx

Accepted Answer

Paranasal sinuses serve as resonant chambers for sound and also help to lighten the skull. They do not transport air to the larynx, conduct air from the trachea to the alveoli, produce sounds, or transport air to the pharynx in the manner described by the other options.