Topics: Hearing Impairment Quiz
What is the function of the ridges on your outer ear?
A. They prevent germs from entering your middle ear.
B. They direct sound into your middle ear.
C. They prevent loud noises from damaging your inner ear.
D. They filter out very high and low-frequency sounds.
Preview next quiz:
If your inner ear lacked nerve fibers, what might happen?
A. Sound would be unable to travel to your brain.
B. Your eardrum would be unable to vibrate.
C. Your hammer could not tap against your anvil.
D. Sound waves could not enter your ear.