Cranial Nerve VIII

Question 1

What is the other name for cranial nerve VIII?

Answer 1

vestibulocochlear nerve

Question 2

What is the apparent origin of the vestibular nerve?

Answer 2

cerebellopontine angle

Question 3

Where are the cell bodies of the vestibular nerve located?

Answer 3

inferior and superior vestibular ganglion

Question 4

What is the nucleus of termination for the vestibular nerve?

Answer 4

vestibular nuclear complex (lateral, superior, inferior, medial)

Question 5

What nerve do most fibers of the vestibulocochlear nerve terminate?

Answer 5

medial vestibular nerve

Question 6

What nerve do some of the fibers of the vestibulocochlear nerve terminate?

Answer 6

cerebellum by the inferior cerebellar peduncle

Question 7

Where do the fibers of the vestibular nerve start?

Answer 7

inferior and superior vestibular ganglion

Question 8

What does the vestibular nerve split into?

Answer 8

inferior and superior fibers

Question 9

What does the superior branch of the vestibular nerve split into?

Answer 9

Voit’s, lateral ampullar and anterior ampullary nerve

Question 10

What does Voit’s nerve send fibers to?

Answer 10

saccule

Question 11

What does the lateral ampullary nerve supply?

Answer 11

utricle, lateral semicircular canal

Question 12

What does the anterior ampullary nerve supply?

Answer 12

anterior semicircular canal

Question 13

What does the inferior fibers of the vestibular nerve split into?

Answer 13

saccular and posterior ampullary nerve

Question 14

What does the saccular nerve supply?

Answer 14

saccule

Question 15

What does the posterior ampullary nerve supply?

Answer 15

posterior ampullary canal

Question 16

What type of nerve is cranial nerve VIII?

Answer 16

Sensory only

Question 17

How does information travel in the vestibulocochlear nerve?

Answer 17

distal to proximal

Question 18

What is the termination point of the cochlear nerve?

Answer 18

anterior and posterior cochlear nuclei

Question 19

Where does the cochlear nerve start?

Answer 19

spiral ganglion

Question 20

Where do the peripheral proccesses go? Where are they from?

Answer 20

go to the saccule, utricle and semicircular canal

come from vestibular ganglion

Question 21

Where do central processes go? Where are they from?

Answer 21

go to medulla oblongata at the floor of the rhomboid fossa

come from vestibular ganglion

Question 22

What is an acoustic neuroma also known as?

Answer 22

vestibular schwanoma

Question 23

What is an acoustic neuroma?

Answer 23

hearing and equilibrium problems unilaterally

Question 24

What is a vestibular schwanoma?

Answer 24

hearing and equilibrium problems unilaterally

Question 25

What is tinnitus?

Answer 25

ringing in the ears

Question 26

What are cochlear implants?

Answer 26

an implant for people with a severe sensorineural hearing loss

Question 27

What is vestibular disease?

Answer 27

vestibular problem that produces vertigo

Question 28

How do you differentiate vestibular disease from cervicogenic vertigo?

Answer 28

swivel the patient in a chair and keep their head forward (cervicogenic vertigo)