CRANIAL NERVES Flashcards
1
Q
olfactory I
A
special sensory
- smell
2
Q
optic II
A
special sensory
- vision
3
Q
oculomotor III
A
motor (somatic & motor)
- movement of eyeballs
- upper eyelid
- lens for near vision (accomodation)
- constriction of pupil
4
Q
trochlear IV
A
motor (somatic)
- movement of eyeballs
5
Q
trigeminal V
A
mixed
- touch, pain, thermal sensations (scalp, face, oral cavity)
- anterior 2/3 of tongue
- chewing and control middle ear
6
Q
abducens IV
A
motor
- movement of eyeballs
7
Q
facial VII
A
mixed
- taste from anterior 2/3 of tongue
- touch, pain, thermal sensation in EXTERNAL EAR
- facial expressions and middle ear
- tears and saliva
8
Q
vestibulocochlear VIII
A
special
- hearing and equilibrium
9
Q
glossopharyngeal IX
A
mixed
- taste from posterior 1/3 tongue
- proprioception in swallowing
- blood pressure and O2 and CO2 levels in blood
- assists in swallowing
- secretion of saliva
10
Q
vagus X
A
mixed
- taste from epiglottis
- throat and voice box
- blood pressure and O2 and CO2 levels in blood
- touch, pain, thermal sensation in EXTERNAL EAR
- swallowing, vocalizing, coughing
- motility and secretion of GI organs
- constriction of respiratory passageways
- decreases heart rate
11
Q
accessory XI
A
motor
- movement of head and pectoral girdle
12
Q
hypoglossal XII
A
motor
- speech, manipulation of food, and swallowing