Quiz 9 - Cranial nerves Flashcards Preview

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Flashcards in Quiz 9 - Cranial nerves Deck (16):
1

cranial nerves

- 12 pairs of cranial nerves
- ventrolateral surface of the brain
- nerves innervate the periphery emerging from the brain

2

olfactory nerve

CN I - function: smell (sensory)

3

optic nerve

CN II - function: vision (sensory)

4

oculomotor nerve

CN III - function: controls four of the six extra-ocular eye muscle, change diameter of pupil (motor)

5

trochlear nerve

CN IV - function: controls superior oblique muscles (smallest of the cranial nerves) (motor)
- helps move eye down

6

trigeminal nerve

CN V - (mixed)
- ophthalmic branch
- maxillary branch
- mandibular branch

7

ophthalmic branch

(sensory) - sensations from forehead, eyelids and nose

8

maxillary branch

(sensory) - sensations from lower eyelid, upper lip and cheek

9

mandibular branch

(mixed) - controls mastication, sensations of temples, gums and teeth of mandible, salivary gland of portions of tongue

10

abducens nerve

CN VI - function: controls lateral eye movements (motor)

11

facial nerve

CN VII - function: sensations from the face (sensory), controls muscles of the face (motor)

12

vestibulocochlear nerve

CN VIII - (sensory)
- vestibular branch - balance and equilibrium
- cochlear branch - hearing

13

glossopharyngeal nerve

CN IX - function: tongue pain and taste (sensory), swallowing (motor)

14

vagus nerve

CN X - function: information from organs (sensory), sends information to the organs (motor)

15

accessory nerve

CN XI - functions: controls sternocleidomastoid (shrug shoulders) and trapezius, also goes to some swallowing muscles

16

hypoglossal nerve

CN XII - functions: controls tongue movement (motor)