Question

cerumen
what is cerumen?
a wax substance created in the auditory canal
a fluid secreted found in the bony labyrinth
a fluid secreted in the membranous labyrinth
a mucus created in the middle ear to lubricate the ossicles

Explanation:

Cerumen is commonly known as earwax. It is produced in the auditory canal (ear canal). The other options refer to different fluids (perilymph in bony labyrinth, endolymph in membranous labyrinth) or mucus (not related to cerumen) in the ear.

Answer:

A. A wax substance created in the auditory canal