12 CRANIAL NERVES Flashcards
l
Olfactory
Function
- smell
Tested
- Person is asked to sniff aromatic substances such as
oil of cloves and vanilla and to identify them
ll
Optic
Function
- Vision
Tested
- Eye chart, inside of eye is viewed to observe blood
vessels
lll
Oculomotor
Function
- moves eyelids, rotates eyeballs, adjust pupils and
lens of the eye
Tested
- Pupils examined for size,shape and equality, pupillary
reflex tested with a pen light
lV
Trochlear
Function
- moves eyeballs
Tested
- Pupils examined for size,shape and equality,
pupillary reflex tested with a pen light
V
Trigeminal
Function
- largest of all the cranial nerves and responsible for
moving facial muscles by chewing and facial
sensations
Tested
- Sensations of pain,touch and temperature tested
with a safety pin and hot/cold objects corneal reflex
tested with a cotton wisp, motor branch tested by
asking pt to clench teeth
Vl
Abducens
Function
- moves eyeballs
Tested
- Pupils examined for size,shape and equality,
pupillary reflex tested with a pen light
Vll
Facial
Function
- produces tears, allows for taste, form facial
expressions, saliva production
Tested
- ⅔ of tongue tested for taste, symmetry of face is
checked by asking to smile ect..
Vlll
Vestibulocochlear(acoustic)
Function
- auditory
Tested
- Hearing checked by air and bone conduction
lX
Glossopharyngeal
Function
- swallowing, saliva production, and taste
Tested
- Gag reflex checked, asked to speak/cough, ⅓ of
tongue may be tested for taste
X
Vagus
Function
- control PNS
Tested
- Gag reflex checked, asked to speak/cough, ⅓ of
tongue may be tested for taste
Xl
Spinal Accessory
Function
- allows head and shoulders movement and allows for
swallowing
Tested
- Asked to rotate head and shrug shoulders against
resistance
Xll
Hypoglossal
Function
- formulate speech, moving tongue, swallowing
Tested
- Asked to stick out tongue
