The Human Ear And Simple Tests For Hearing

Question 1

The outer ear

Answer 1

Captures and funnels sound waves into the ear canal.

Composed of: pinna, ear canal, and eardrum

Question 2

The middle ear

Answer 2

Air filled cavity that contains 3 tiny bones:
Malleus, Incus, Stapes

Question 3

The Inner ear

Answer 3

Cochlea

Acoustic nerve

Vestibular or balance organ

Question 4

Cochlea

Answer 4

fluid filled and contains components that send converted sound waves to the acoustic nerve.

Question 5

Acoustic nerve

Answer 5

Sends signals to the brain by waystations along the auditory pathway

Question 6

Pathways of sound

Answer 6

Air conduction - sound waves pas through outer, middle, inner ear.

Bone conduction - bypass the outer and middle ear by vibrating skull and stimulating the ear

Question 7

Conductive hearing loss

Answer 7

Blockage on the outer/inner ear that stop sound waves from entering the cochlear

Question 8

Sensorineural Hearing Loss

Answer 8

Damage to the cochlear structure such as outer/inner hair cells and auditory nerve cells

Question 9

Non-organic Hearing Loss

Answer 9

Hearing loss but is not due to deficits with the auditory system.