Cranial Nerve Testing - Class 8 Flashcards
olfactory
sensory
smell
olfactory test
have pt identify familiar odors
optic N
sensory
sight
eye
optic N test
test visual fields
oculomotor N
motor
oculomotor N tests
rxn to light
upward, downward, and medial gaze
trochlear N
motor
helps to turn the adducted eye down
causes intorsion of the eye
abducens N
motor
turns eye out
trigeminal N
motor and sensory
sensation from face
corneal sensation
anterior tongue sensation
trigeminal N test
jaw opening and side to side mm strength
w/ unilateral deficit –> trigeminal N
will open to the side of the opening
facial N
motor and sensory
control symmetry of facial movements
smiling
whistling
closing eyes
wrinkling forehead
facial N tests
UMN
LMN
UMN facial N test
can wrinkle forehead but lower face paralyzed
CVA
LMN facial N test
can’t wrinkle forehead of lower face
bell’s palsy
vestibulocochlear N
sensory
auditory
vestibular
auditory test –> CN 8
hearing
whisper and see how pt responds
tuning fork
vestibular test –> CN 8
vertigo
nystagmus
glossopharyngeal N
gag reflex
ability to swallow
vagus N
gag reflex
symmetry of voice palate
“ahhhhh”
difficulty swallow liquids
spinal accessory N
traps
SCM
resist shoulder shrug
hypoglossal N
protrude tongue
will deviate towards side of the lesion