Auditory System Anatomy (Section 4)

Question 0

Where does the membranous labyrinth lie?

Answer 0

Within the cavities of the bony labyrinth

Question 1

Bony Labyrinth houses what organs?

Answer 1

Houses the auditory and vestibular sense organs

Question 2

What fluid fills the membranous labyrinth?

Answer 2

Endolymph

Question 3

What fluid fills the space between bony labyrinth and membranous labyrinths

Answer 3

Perilymph

Question 4

Auditory apparatus consists of what?

Answer 4

Cochlea

Question 5

Vestibular apparatus consists of what?

Answer 5

Three semicircular canals or ducts
Utricle
Saccule

Question 6

T or F, Air pressure in the middle ear cavity is normally equal to atmospheric pressure

Answer 6

True

Question 7

The stapes is in connect with what window?

Answer 7

Oval window

Question 8

The two openings of the cochlea?

Answer 8

Oval window

Round window

Question 9

The three scalae of the cochlea

Answer 9

Scala vestibuli
Scala tympani
Scala media (cochlear duct)

Question 10

What fluid fills the scala vestibuli and the scala tympani

Answer 10

Perilymph

Question 11

Scala tympani is located on what window of the cochlear duct?

Answer 11

Round window

Question 12

Scala media is filled with what fluid?

Answer 12

Endolymph

Question 13

The hair cells of the organ of Corti sit on what?

Answer 13

Basilar Membrane

Question 14

The hair cells are innervated by afferent and efferent axons of what nerve?

Answer 14

CN VIII

Question 15

The scala vestibuli and scala tympani are continuous at what structure?

Answer 15

Helicotrema