Upper Medulla (pg. 90)

Question 1

function of cochlear nuclei 
(dorsal and ventral, 8)

Answer 1

ipsi. hearing

Question 2

input to cochlear nuclei

dorsal and ventral, 8

Answer 2

ipsi. CN 8from spiral ganglion

Question 3

output from cochlear nuclei

dorsal and ventral, 8

Answer 3

bilateral superior olivary nuclei, inferior colliculus via lateral lemniscus

Question 4

function of vestibular nuclei 
(inferior and medial, 8)

Answer 4

balance and posture

Question 5

input to vestibular nuclei

inferior and medial, 8

Answer 5

CN VIII from inner ear

Question 6

output from vestibular nuclei

inferior and medial, 8

Answer 6

medial longitudinal fasciculus

Question 7

function of spinal trigeminal (5) nuclei

Answer 7

ipsi. pain and temp of head

Question 8

input to spinal trigeminal (5) nuclei

Answer 8

ipsi. peripheral receptors for pain and temp

Question 9

output from spinal trigeminal (5) nuclei

Answer 9

contra VPM (ventral posterior medial) of thalamus

Question 10

function of CN 6 tract

Answer 10

lateral rectus moving laterally; abduct

Question 11

input to CN 6 tract

Answer 11

abducens nucleus in pons

Question 12

output from CN 6 tract

Answer 12

lateral rectus

Question 13

function of CN 7 tract

Answer 13

facial expression, motor control facial muscles

Question 14

input to CN 7 tract

Answer 14

facial motor nucleus of pons

Question 15

output from CN 7 tract

Answer 15

facial muscles

Question 16

function of CN 8 tract

Answer 16

balance and hearing

Question 17

input to CN 8 tract

Answer 17

vestibular organs inner ear

Question 18

output from CN 8 tract

Answer 18

vestibular nuclei of medulla

Question 19

function of medial longitudinal fasciculus 
(vestibulospinal tract)

Answer 19

balance and posture

Question 20

input to medial longitudinal fasciculus

vestibulospinal tract

Answer 20

brainstem, ipsi. medial vestibular nucleus

Question 21

output from medial longitudinal fasciculus

vestibulospinal tract

Answer 21

motor neurons

Question 22

function of tectospinal

Answer 22

reflex postural movement

Question 23

input to tectospinal

Answer 23

tectum (superior colliculus)

Question 24

output from tectospinal

Answer 24

contra. motor neurons in spinal cord