210 M9: Anatomy of Hearing Read & Review

Question 1

The oval shaped ____ separates the middle ear from the outer ear

Answer 1

tympanic membrane

Question 2

the ___ serves the function of sound collection

Answer 2

pinna

Question 3

the __ meatus is a conduit for sound reaching the tympanic membrane

Answer 3

external auditory

Question 4

the ___ is the bone of the middle ear directly attached to the tympanic membrane

Answer 4

malleus

Question 5

the___ is the bone of the middle ear directly communicating with the oval window

Answer 5

stapes

Question 6

the ___ muscle pulls the stapes posteriorly

Answer 6

stapedius

Question 7

the ____ muscle pulls the malleus anteromedially

Answer 7

tensor tympani

Question 8

the ___ is the system of cavities within bone that houses the membranous labyrinth

Answer 8

osseus labyrinth

Question 9

the ____ provides communication between the scala tympani and the middle ear

Answer 9

round window

Question 10

the ___ permits communication between the scala vestibuli and the middle ear space

Answer 10

oval window

Question 11

the ____ is a fulid-filled sac attached to the walls of the osseous labyrinth and filled with endolymph

Answer 11

membraneous labyrinth

Question 12

The ___ are the 3 smallest bones in the body- what are they?

Answer 12

Malleus
Incus
Stapes

Question 13

what is the largest of the ossicles ?
Incus is shaped like an anvil 
Stapes 
Third bone of the ossicular chain
Helps to transmit sound vibrations from eardrum to the oval window

Answer 13

Malleus is the largest of the ossicles

Question 14

Incus is shaped like

Answer 14

an anvil

Question 15

The third bone of the ossicular chain

Helps to transmit sound vibrations from eardrum to the oval window

Answer 15

Stapes

Question 16

responsible for aeration of the middle ear

Answer 16

Eustachian tube

Question 17

sense movement of the head towards the shoulder

Answer 17

Anterior canals

Question 18

sense movement of the head when nodding “yes”

Answer 18

Posterior canals

Question 19

sense movement of the head when shaking head “no”

Answer 19

Lateral semicular canal

Question 20

the process associated with hearing and a vital part of verbal communication

Answer 20

audition

Question 21

what are the 4 structures of the ear

Answer 21

outer
middle
inner ear
auditory pathways

Question 22

the stapedius muscle and the tensor tympani are the

Answer 22

smallest muscles of the human body

Question 23

contains sensors for hearing

Answer 23

the cochlea

Question 24

contains sensors for balance

Answer 24

the vestibular system

Question 25

The osseous semicirular canals are (2)

Answer 25

• canals of the vestibular system

- contain sense organs for movement of the body in space

Question 26

The osseous cochlear labyrinth (2)

Answer 26

looks like a coiled snail shell

the vital structure attaches to the scala media

Question 27

connects upper duct and subarchnoid space

Answer 27

cochelear aqueduct

Question 28

organ of corti (2)

Answer 28

• sensory organ of hearing within the inner ear

- has 4 rows of hair cells