E2 cranial nerves Flashcards
CN with 1 function
hypoglossoal XII
Abducens VI
Trockleal IV
SPinal accessory XI
CN with 2
oculomotor III
trigeminal V
CN with 4
facial VII
CN with 5
glossopharangeal IX
vagus X
solitary nucleus
taste from VII, IX, X
spinal nucleus of V
V, VII, IX, X
nucleus ambiguus
IX, X
lesion of hyposlossal nerve or nucleus
XII
lower motor neuron signs of tounuge
ipsilateral devations
lesion of spinal accessory nerve or nucleus
XI
LMN signs
weakness shrugging ipsi
and turning away from lesion
lesion of vagus nuclei
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
lesion of glossopharyngeal nerve
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
lesion of facial nerve
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
lesion of abducens
VI
abducens nucei - medial strabismus, diplopia,
abducens nerve - medial strabismus and diplopia
both ipsi
lesion of trigeminal nerve
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
lesion of trochlear
IV
nerve - ipsi diplopia when looking down
nucelus - contra because crosses at superior medullary vellum