Lab Ex 9 Ear Final Practical Quest Review

Front

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

Back

Air.

Front

What is the outer ear including helix and earlobe that collects sound?

Back

Auricle.

Front

What structure is found in the cochlea of the inner ear and is involved in hearing?

Back

Organ of Corti.

Front

What are the three small bones in the middle ear called?

Back

Ossicles.

Front

What happens if your ossicles are removed?

Back

You would NOT be able to transmit sound waves to the inner ear.

Front

What is the function of the tympanic membrane?

Back

It vibrates in response to sound waves, transmitting them to the ossicles.

Front

What is the role of the cochlea in hearing?

Back

It converts sound vibrations into neural signals.

Front

What is the function of the eustachian tube?

Back

It equalizes pressure on both sides of the tympanic membrane.

Front

What are the components of the outer ear?

Back

Pinna (auricle) and external auditory canal.

Front

What is the significance of the Organ of Corti?

Back

It contains hair cells that transduce sound vibrations into electrical signals.