Mucus Found on the Surface of the Olfactory Epithelium

Multiple Choice

Mucus found on the surface of the olfactory epithelium:

A) is produced by glands beneath the olfactory epithelium.
B) makes it possible for odorants to react with the olfactory receptors.
C) is produced in increased amounts in response to stimulation by the facial (VII) nerves.
D) All of these choices.