cranial nerves Flashcards
(17 cards)
1
Q
CN I
A
- olfactory nerve (sensory/nose)
- originates from the forebrain
2
Q
CN II
A
- optic nerve (sensory/ eye)
- originates from the forebrain
3
Q
CN III
A
- oculomotor nerve (motor)
- all eye muscles (except those supplied by IV & VI
4
Q
CN IV
A
- trochlear nerve (motor/ superior oblique muscle)
5
Q
CN V
A
- trigeminal nerve (both)
- sensory: face, sinuses & teeth
- motor: muscles of mastication
6
Q
CN VI
A
- abducens nerve (motor/lateral rectus muscle)
7
Q
CN VII
A
- facial nerve (motor/muscles of the face)
8
Q
CN VIII
A
- vestibulocochlear nerve (sensory/inner ear)
9
Q
CN IX
A
- glossopharyngeal nerve (both)
10
Q
CN X
A
- vagus nerve (both)
motor: heart, lungs, bronchi, GI tract
sensory: heart, lungs, bronchi, trachea, larynx, pharynx, GI tract, external ear
11
Q
CN XI
A
- accessory nerve (motor/ sternocleidomastoid & trapezius muscles)
12
Q
CN XII
A
- hypoglossal nerve (motor/muscle of the tongue)
13
Q
what system does & where does the cranial nerve emerge from
A
cranial nerves are the 12 nerves of the peripheral nervous system emerge from the foramina and fissures of the cranium determine by the exit location (rostral to cau
14
Q
function of a nerve
A
to carry sensory and/or motor information between the body and the brain
15
Q
efferent (motor nerve)
A
information goes from the brain to the periphery
16
Q
if it travels from the periphery to the brain
A
afferent (sensory nerve)
17
Q
A
