Which Structure Pushes on the Oval Window of the Inner

Question

Which structure pushes on the oval window of the inner ear to stimulate the auditory receptors?
A) malleus
B) tympanic membrane
C) stapes
D) incus

Accepted Answer

The stapes, the smallest bone in the human body, pushes on the oval window of the inner ear to stimulate the auditory receptors. The malleus, incus, and tympanic membrane are all part of the middle ear, which transmits vibrations to the inner ear.