about the cranial nerves Flashcards
sense of smell
olfactory
test via sniff aromatic substance
olfactory
homeostatic imbalance - anosmia
olfactory
sense of vision
optic
thalamus relay to occipital snellen eye chart to test; damage= affected eye blindness
optic
eye movement (4 of 6 extrinsic eye muscle)
oculomotor
parasympathetic fiberx to sphincter pupillae- pupil restriction
oculomotor
damage to oculomotor nerve means
not move eye up down in. lateral rotationi at rest. ptosis. double vision
eye movement of superior oblique extrinsic eye muscle
trochlear
you test the trochlear with one nerve
CNIII
eye movement of lateral rectus
abducens
damage to trochlear causes
double vision and not rotate eye inferolateral
what nerve do you test with abducens
CNIII
damage to abducens causes
not move laterally
rest medially
largest cranial nerve
trigeminal
sensory to face, motor to mastication muscles
trigeminal
3 branches of trigeminal
ophthalmic VI
maxillary V2
mandibular V3
corneal reflex (blind is what nerve)
ophthalmic VI
pain, touch temperature (cheek)
maxillary V2
clench teeth, open jaw- chewing
manidbular V3