E2 cranial nerves

Question 1

CN with 1 function

Answer 1

hypoglossoal XII
Abducens VI
Trockleal IV
SPinal accessory XI

Question 2

CN with 2

Answer 2

oculomotor III

trigeminal V

Question 3

CN with 4

Answer 3

facial VII

Question 4

CN with 5

Answer 4

glossopharangeal IX

vagus X

Question 5

solitary nucleus

Answer 5

taste from VII, IX, X

Question 6

spinal nucleus of V

Answer 6

V, VII, IX, X

Question 7

nucleus ambiguus

Answer 7

IX, X

Question 8

lesion of hyposlossal nerve or nucleus

Answer 8

XII
lower motor neuron signs of tounuge
ipsilateral devations

Question 9

lesion of spinal accessory nerve or nucleus

Answer 9

XI
LMN signs
weakness shrugging ipsi
and turning away from lesion

Question 10

lesion of vagus nuclei

Answer 10

X
motor (from):
nucleus ambiguus - horsness, gag relex
dorsal motor nucelus of X - insignificant unilaterally
caudal part of solitary - loss of cough
Sensory (to)
rostral part of solitary - insignificant
spinal nucleus of v - loss of outer ear sensation

Question 11

lesion of glossopharyngeal nerve

Answer 11

IX
motor (from):
nuceus ambiguus - dysphagia
inferor salivatory n - loss of ipsi salivation
sensory (to)
caudal solitary n - loss of gag and sinus reflex
srostral solitary n - loss of posterior thrid taste
spinal n of V gag reflex

Question 12

lesion of facial nerve

Answer 12

VII
motor from
facial motor nucelus - paralysis of facial expression, corneal reflex, hyperacusis
superior salivatory nucleus - ipsi loss of saliva
sensor from
rostral solitary - taste from anterior tongue
spinal nucleus of V - insignificant

Question 13

lesion of abducens

Answer 13

VI
abducens nucei - medial strabismus, diplopia,
abducens nerve - medial strabismus and diplopia
both ipsi

Question 14

lesion of trigeminal nerve

Answer 14

V
motor nucleus of V - loss of jaw jerk
spinal nuclues of v - ipis pain and temp from face
chief sensory of V - fine touch from face
mesencephalic nuclue so f V - jaw jerk

Question 15

lesion of trochlear

Answer 15

IV
nerve - ipsi diplopia when looking down
nucelus - contra because crosses at superior medullary vellum

Question 16

lesion of oculomotor

Answer 16

III
occulomotor nucleus - opthalmoplegia, lateral stabismus, diplopia, ptosis
edinger westphal n - mydriaisis, loss of pupillary light reflex
ipsi