Cranial Nerves Flashcards
12 cranial nerve
I- olfactory
ii- optic nerves
iii-oculomotor
iv- trochlear
v- trigimenal
vi- abduences
vii- facial
viii- vestibulotrochlea
ix- glossopharyngeal
x- vagus
xi- acessory
xii- hypoglossal
Olfactory nerve
I
afferent/ originates in cerebrum
to the olfactory bulb is responsible for smell or taste
optic nerve
ii
afferent/ cerebrum
for vision and pulipaty reflex in response to light
oculomotor nerve
iii
midbrain/ efferent/ parasympathetic
move eye ball/ elevate the upper eye lid
pulipary reflex
trochlea nerve
iv
midbrain/ efferent
ee ball superior oblique muscle moves the eye ball medially and downward
trigimenal nerve
V
pons/ mixed
3 branches
opthalmic- CN V 1 sensory
maxilary- CN V 2 SENSORY
MANDIBULAR- CN V 3 MIXED
ipsilateral muscle contraction
abducens
vi
pons/ efferent
abduct the eye ball lateral rectus
facial nerve
Vii
mixed/ pons
sensory- tongue= sweet and sour
afferent- ear canal
efferent- facial exp/ lip movement
efferent- tears and saliva
vestibular
pons
aff- head movement
aff- hearing
glossopharyngeal
medulla mized
aff- taste/ touch and pressure and pain for the pharynx AND TONGUE
add- carotid sinus for BP
vagus
x
medulla/ mixed
aff- pahrynx
eff- pharynx swallow tongue speech
accessory
medulla/ efferetn ix
eff- trap/ strenocledoidmastoid
hypoglossal
pons/ efferent
tongue extrinsic and intrinsic
