Cranial Nerves

Question 1

CN I

Answer 1

• olfactory nerve
• sensory

Question 2

CN II

Answer 2

• optic nerve
• sensory

Question 3

CN III

Answer 3

• oculomotor nerve
• motor

Question 4

CN IV

Answer 4

• trochlear nerve
• motor

Question 5

CN V

Answer 5

• trigeminal nerve
• sensory AND motor

Question 6

CN VI

Answer 6

• abducens
• motor

Question 7

CN VII

Answer 7

• facial nerve
• sensory AND motor

Question 8

CN VIII

Answer 8

• vestibulocochlear/auditory nerve
• sensory

Question 9

CN IX

Answer 9

• glossopharyngeal nerve
• sensory AND motor

Question 10

CN X

Answer 10

• vagus nerve
• sensory AND motor

Question 11

CN XI

Answer 11

• spinal accessory nerve
• motor

Question 12

CN XII

Answer 12

• hypoglossal nerve
• motor

Question 13

olfactory function, location

Answer 13

sense of smell, olfactory bulbs/cribiform plate

Question 14

optic nerve function, location

Answer 14

vision, optic foramen

Question 15

occulomotor function, location

Answer 15

eyelid, papillary constriction, superior orbital fissure

Question 16

trochlear function, location

Answer 16

downward gaze, superior orbital fissure

Question 17

trigeminal function, location

Answer 17

somatic sensation from face/chewing/mouth corners, foramen ovale, rotundum, superior orbital fissure

Question 18

abducens function, location

Answer 18

abduction and lateral mvmt of eye, superior orbital fissure

Question 19

facial nerve function, location

Answer 19

lacrimal/salivary glands, taste, facial expression, thru temporal bone

Question 20

vestibulocochlear nerve function, location

Answer 20

hearing and balance, medulla oblongata and internal auditory meatus

Question 21

glossopharyngeal nerve function, location

Answer 21

taste, jugular foramen and throat

Question 22

vagus nerve function, location

Answer 22

autonomic functions of gut, jugular foramen to internal viscera

Question 23

spinal accessory nerve function, location

Answer 23

shoulder and neck muscles, jugular foramen to neck/back muscles

Question 24

hypoglossal nerve function, location

Answer 24

tongue movement, skull

Question 25

which cranial nerves have both sensory and motor functions?

Answer 25

trigeminal (V), facial (VII), glossopharyngeal (IX), vagus (X)

Question 26

CN pneumonic?

Answer 26

Oh oh oh, to touch and feel very good velvet! AH!