Cranial Nerves Flashcards
1
Q
CN 1
A
- olfactory nerve
- sensory: smell (olfaction)
2
Q
CN 2
A
- optic nerve
- sensory: vision
3
Q
CN 3
A
- oculomotor
- motor: controls movement of 5 of the extrinsic eye muscles–moves eyeball, constricts pupil, opens the eyelid, change shape of lens–“accommodation”
4
Q
CN 4
A
- trochlear
- motor: innervates the SO4 (superior oblique muscle of eye)
5
Q
CN 5
A
- trigeminal
- both
- motor: chewing
- sensory: sensory of face regions of maxilla, mandible, ophthalmic area
6
Q
CN 6
A
- Abducens
- motor: movement of lateral rectus eye muscle
7
Q
CN 7
A
- Facial
- both
- Motor: facial expressions, motor of glands that produce saliva production, tears production, mucus production
- sensory: taste, nasal cavity, ear, tongue
8
Q
CN 8
A
- Vestibulocochlear
- sensory: hearing, equilibrium, balance
9
Q
CN 9
A
- glossopharyngeal
- both
- Motor: swallowing, salivation
- sensory: taste,
10
Q
CN 10
A
- Vagus
- both
- motor: innervates visceral organs, speaking, swallowing–main nerve of parasympathetic nervous system
- sensory: taste, skin around ear, blood CO2 concentration
11
Q
CN 11
A
- Accessory
- motor: move muscles of head and neck, speech
12
Q
CN 12
A
- hypoglossal
- motor: movement of tongue
