Cranial nerves (peripheral) Flashcards
1
Q
Olfactory
A
- sensory
- from nasal cavity
2
Q
optic
A
- sensory
- from retina of eye
- form “optic chiasma” in cranium
- pass through thalamus and terminate in the occipital cortex
3
Q
oculomotor
A
- primarily motor
- to most of eye muscles, eyelids, and iris
4
Q
trochlear
A
- primarily motor
- to superior oblique eye muscles
5
Q
trigeminal
A
A).mixed
B).to/from jaw and facial muscles
-opthalmic (s)
-maxillary (s)
-mandibular (s+m)
6
Q
abducens
A
- primarily motor
- to lateral rectus eye muscles
7
Q
facial
A
- mixed
- to/from face and mouth
- (s) taste on anterior 2/3 of tongue
- (m) muscles of facial expression plus lacrimal and salivary glands
8
Q
acoustic
A
- sensory
- from inner ear (vestibulocochlear)
- hearing and equilibrium
9
Q
glossopharyngeal
A
- mixed
- to/from throat and tongue
- (s) taste on posterior 1/3 of tongue and pressure on the throat
- (m) swallowing and salivation
10
Q
vagus
A
- mixed
- to/from chest and abdomen
- (s) visceral pain
- (m) control of heart and G.I. contraction
11
Q
acessory
A
- primarily motor
- to muscles of neck and upper back
12
Q
hypoglossal
A
- primarily motor
- to muscles moving the tongue
