Final

Question 1

What is the Ampulla’s job in the inner ear

Answer 1

interpretation of the rotary movements of bodies in space

Question 2

Where is the Ampulla located

Answer 2

Inner ear

Question 3

What does the Ampulla house?

Answer 3

sensory organs for rotary movements

Question 4

What is the Malleous directly attached to

Answer 4

The Tympanic membrane

Question 5

What is the name of the diarthrodial joint that is the first to allow for movement as sound is transmitted from the ear drum to the ossicles

Answer 5

Malleoincudal

Question 6

Where does the Reissner’s membrane distend after the stapes compresses the perilymph of the scala vestibulie?

Answer 6

The scala media

Question 7

Which way are the stereocilia leaning during the hyper polarization of the hair cells in the Organ or Corti?

Answer 7

Away from the Kinocilium

Question 8

During rotary movements, Why does the Cupula of the vestibular system bend?

Answer 8

Moving endolymph

Question 9

What is the significance of the Superior olivary complex

Answer 9

First in the auditory pathway to receive information from both ears

Question 10

What does the Stapedius muscle do?

Answer 10

Rotate the footplate of the stapes to protect the ear from loud sounds

Question 11

What is the malleus directly attached to ?

Answer 11

The Tympanic membrane

Question 12

Where in the cochlea are the scala vestibuli to the scala tympani continuous

Answer 12

Helicotrema

Question 13

Why is it important that the Scala vestibuli to the scala tympani are continuous

Answer 13

Allows for flow of the perilymph

Question 14

What does the movement of sound between the large surface area of the tympanic membrane to the small surface of the stapes allow for?

Answer 14

Impedance matching

Question 15

Where does impedence matching take place?

Answer 15

Between the tympanic membrane and the stapes

Question 16

What does the primary auditory complex allow for?

Answer 16

processing of the auditory signal of sound

Question 17

What interprets up and down linear head movements

Answer 17

The macule of the saccule

Question 18

What is the vestibule

Answer 18

a continuous space in the inner ear for both the vestibular and hearing mechanisms

Question 19

The outer hair cells are shaped like

Answer 19

test tubes

Question 20

Where are the outer hair cells embedded?

Answer 20

tectorial membrane

Question 21

What is parallel to the anterior canal of the left ear

Answer 21

The posterior semicircular canals of the right ear

Question 22

what chamber in the cochlea of the inner ear contains endolymph?

Answer 22

Scala media

Question 23

Movement of sound from where to where allows for impedance matching?

Answer 23

From the large surface area of the tympanic membrane to the small surface area of the stapes footplate

Question 24

which ossicle is directly attached to the tympanic membrane

Answer 24

The Malleous hammer

Question 25

where is sound funneled through?

Answer 25

Outer ear to the through the ear canal

Question 29

Which chamber in the cochlea of the inner ear contains endolymph

Answer 29

scala media

Question 30

what type of acceleration does the utricosaccular mechanism respond to?

Answer 30

Linear acceleration

Question 31

which channel in the cochlea is not a part of the bony labyrinth of the inner ear

Answer 31

Scala media (cochlear duct)

Question 32

What does the Crista Ampullaris do?

Answer 32

Maps out all of the components of rotary movements

Question 33

What effect do turbulent fluids at areas of constriction in the basilar membrane have on the inner hair cells of the organ of corti?

Answer 33

Excite the inner hair cells

Question 34

The release of what mineral into the hair cells of the organ of corti, cause what to happen?

Answer 34

Releases a neurotransmitter in the inner ear

Question 35

What is the eustation tube's role

Answer 35

Maintaining an equilibrium of the pressure between the middle ear and the atmospheric pressure

Question 36

In order to increase the firing rate of the vestibular nerve for a linear movement to the right, stereocilia for the right would bend toward what?

Answer 36

The Kinocilium

Question 37

Which layer of the tympanic membrane would be impacted by an infection of the middle ear space first?

Answer 37

The inner ear

Question 38

An audiologist tests for the stapedial reflex to check for function in which part of the ear?

Answer 38

Middle ear

Question 39

the footplate of the stapes at the oval window moves in sync with what?

Answer 39

The Tympanic membrane

Question 40

Exposure to intensive sounds above 120 dB can cause damage to what part of the ear?

Answer 40

Ear drum

Question 41

Which impedance matching strategy causes an increase in pressure in the middle ear to overcome impedance?

Answer 41

The Lever effect (increase force)

Question 42

The impedance of the sound in the air funneled in from the outer ear is _________ than the fluid in the cochlea

Answer 42

Lower

Question 43

Which area of the brainstem is the first stop in the auditory pathway?

Answer 43

Cochlear nucleus