Cranial Nerves Flashcards
0
Q
CN II
A
Optic (S)
- Vision
- Diencephalon
1
Q
CN I
A
Olfactory (S)
- smell
- inferior frontal lobe
2
Q
CN III
A
Oculomotor (M)
- moves eye up, down, medially
- raises upper eyelid
- constricts pupil
- midbrain
3
Q
CN IV
A
Trochlear (M)
- moves eye medially, down
- posterior midbrain
4
Q
CN V
A
Trigeminal (B)
- facial sensation
- chewing
- sensation from TMJ
Branches:
V1 = ophthalmic
V2 = maxillary
V3 = mandibular
- pons
5
Q
CN VI
A
Abducens (M)
- abducts eye
- pons/medulla
6
Q
CN VII
A
Facial (B)
- facial expression
- closes eyes
- tears
- salivation
- taste
- pons/medulla junction
7
Q
CN VIII
A
Vestibulocochlear (S)
- sensation of head position relative to gravity/head movements
- hearing
- pons/medulla junction
8
Q
CN IX
A
Glossopharyngeal (B)
- swallowing
- salivation
- taste
- medulla
9
Q
CN X
A
Vagus (B)
- regulates viscera
- swallowing
- speech
- taste
- medulla
10
Q
CN XI
A
Accessory (M)
- elevates shoulders
- turns head
- medulla
11
Q
CN XII
A
Hypoglossal (m)
- moves tongue
- medulla
