cranial nerves

Question 1

Cranial nerve I-name/function

Answer 1

olfactory-sensory

Question 2

Cranial nerve II-name/function

Answer 2

optic nerve-sensory

Question 3

Cranial nerve III-exit path/specific function

Answer 3

Travels through superior orbital fissure-movement of eye muscles, pupil size, eye shape

Question 3

Cranial nerve I-exit path/specific function

Answer 3

Originates in nasal cavity, travels to olfactory bulb through cribiform plate of ethmoid. Detects smell/odor

Question 4

Cranial nerve III-name/function

Answer 4

oculomotor nerve-motor

Question 5

Cranial nerve II-exit path/specific function

Answer 5

Travels through optic canal, goes from retina to occipital lobe-vision

Question 6

Cranial nerve IV-name/function

Answer 6

trochlear nerve-motor

Question 7

Cranial nerve IV-exit path/specific function

Answer 7

Travels through superior orbital fissure-downward eye movements

Question 8

Cranial nerve V-exit path/specific function

Answer 8

Starts from pons, branches off into ophthalmic, maxillary, mandibular nerves-mostly sensory for pain and touch/motor for chewing

Question 8

Cranial nerve V -name/function

Answer 8

trigeminal-sensory and motor

Question 9

Cranial nerve VI-name/function

Answer 9

abducens-motor

Question 10

Cranial nerve VI-exit path/specific function

Answer 10

Exits from brainstem to superior orbital fissure. Lateral eye movement

Question 11

Cranial nerve VII-name/function

Answer 11

facial nerve-sensory/motor/autonomic

Question 12

Cranial nerve IX-exit path/specific function

Answer 12

Originates at medulla, exit through jugular foramen-sensory: bitter/sour taste/bloodpH/gases-motor:swallowing/gag

Question 12

Cranial nerve VIII-name/function

Answer 12

vestibulocochlear nerve-sensory

Question 12

Cranial nerve VII-exit path/specific function

Answer 12

Exits through internal acoustic meatus-facial expression, taste, control of salivary glands/tears

Question 13

Cranial nerve IX-name/function

Answer 13

glossopharyngeal-sensory/motor/autonomic

Question 13

Cranial nerve VIII-exit path/specific function

Answer 13

Exits through internal acoustic meatus of temporal bone, hearing and balance(equilibrium)

Question 14

Cranial nerve X-name/function

Answer 14

vagus-sensory/motor/autonomic

Question 15

Cranial nerve X-exit path/specific function

Answer 15

Medulla-widespread innervation-exits through jugular foramen-swalllowing,speaking,taste,sensations,cardiovascular

Question 16

Cranial nerve XI-name/function

Answer 16

spinal accessory nerve-motor

Question 17

Cranial nerve XI-exit path/specific function

Answer 17

Exits through jugular foramen- combines with vagus nerve/swallowing/speaking/turning head/elevating shoulders

Question 18

Cranial nerve XII-name/function

Answer 18

hypoglossal-motor

Question 19

Cranial nerve XII-exit path/specific function

Answer 19

Exits through hypoglossal canal-tongue:speech/food manipulation/swallowing