Lab Ex 9 Ear Final Practical Quest Review

What are the three main sections of the hearing system?

• outer ear, middle ear, inner ear

• ear, nerve, brain

• left ear, right ear, brain

What is the middle ear filled with in a healthy ear?

• endolymph

• perilymph

• air

• water

The malleus, incus, and stapes are collectively called the

• maculae
• otoliths
• semicircular canals
• ossicles

The ear only controls the sense of hearing?

• True
• False

Tags

NGSS.MS-LS1-8

The purpose of the ossicle bones is to transmit sound vibrations to the cochlea.

• True

• False

The inner ear functions in both hearing and equilibrium.

• True

• False

The ________________ (pinna) is the outer ear including helix and earlobe that collects sound.

• tympanic membrane

• ossicles

• auricle

The external auditory canal contains ceruminous glands that produce...

• tears

• snot

• ear wax

If your ossicles were removed, you would NOT be able to:

• Equalize pressure on both sides of the tympanic membrane

• Maintain your sense of balance

• Transmit sound waves to the inner ear

• Carry nerve impulses to the cerebrum

Of the following, when a sound is heard, what structure would be the first to transmit the sound wave? (1st to convert sound to mechanical vibrations)

• Organ of Corti

• Cochlea

• Stapes

• Tympanic membrane