Cranial Nerve VIII

Question 1

the receptors of the vestibular division of CN VIII are located in

Answer 1

semicircular canals

Question 2

impulses from vestibular division of CN VIII are carried from semicircular canals to this ganglion

Answer 2

vestibular ganglion

Question 3

receptors of cochlear division of CN VIII is located in

Answer 3

auditory cells within the cochlea

Question 4

impulses from cochlear division of CN VIII travel from bipolar cells to this ganglion

Answer 4

cochlear ganglion

Question 5

sole function of cochlear division of CN VIII

Answer 5

provide hearing

Question 6

in CN VIII, a decrease or loss of hearing with or without tinnitus is probably from

Answer 6

a conduction loss

Question 7

with CN VIII, central lesions are often associated with

Answer 7

hallucinations of hearing

Question 8

2 types of hearing loss with CN VIII

Answer 8

air conduction and sensorineural

Question 9

4 etiologies for conductive hearing loss

Answer 9

canal obstruction, trauma to tympanic membrane, issue with ossicles, accumulation of fluid in ear

Question 10

reason for sensorineural hearing loss

Answer 10

usually from disease of end organ or auditory nerve

Question 11

vestibular diseases of CN VIII are always accompanied by

Answer 11

vertigo

Question 12

nystagmus is named this way

Answer 12

for the side towards where the fast movement occurs

Question 13

the semicircular canals detect this type of acceleration

Answer 13

angular acceleration

Question 14

the otolithic organs detect this type of acceleration

Answer 14

linear acceleration

Question 15

with Rinne test, an issue on the lateralized side indicates

Answer 15

air conduction loss

Question 16

with Rinne test, an issue on the opposite side indicates

Answer 16

sensorineural loss

Question 17

CN VIII travels here

Answer 17

internal auditory meatus