CN Charts

Question 1

CN I special somatic sensory

Answer 1

Olfaction

Question 2

CN II Special somatic sensory

Answer 2

Vision

Question 3

CN III somatic motor

Answer 3

Levator palpebrae superior

All extraocular except superior oblique and lateral rectus

Question 4

CN III parasymp

Answer 4

PS to pupil constrictor and ciliary muscles for near vision

Question 5

CN IV somatic

Answer 5

Superior oblique muscle

Question 6

CN V general somatic sensory

Answer 6

Touch, pain, temp, joint position, vibration

Face, mouth, ant 2/3 tongue, nasal sinus, meninges

Question 7

CN V brachial motor

Answer 7

Muscle of mastication and tensor tympani muscle

Question 8

CN VI somatic

Answer 8

Lateral rectus muscle

Question 9

CN VII brachial motor

Answer 9

Muscle of facial expression, stapedius muscle, part of digastric muscle

Question 10

CN VII parasymp

Answer 10

PS to laciminal gland, sublingual, submnaidubular and all other salivary gland except parotid

Question 11

CN VII visceral sensory

Answer 11

Taste from ant 2/3 of tongue

Question 12

CN VII general somatic sensory

Answer 12

Sensation from a small region near external auditory meatus

Question 13

CN VIII Special somatic sensory

Answer 13

Hearing and vestibular sensation

Question 14

CN IX branchail motor

Answer 14

Stylopharyngeus

Question 15

CN IX PS

Answer 15

PS to parotid gland

Question 16

CN IX general somatic sensory

Answer 16

Middle ear
Region near external auditory meatus
Pharynx
Post 1/3 tongue

Question 17

CN IX visceral sensory

Answer 17

Special - taste post 1/3 tongue

General - chemo and baroreceptors of carotid body

Question 18

CN X vagus brachial motor

Answer 18

Pharyngeal (swallowing) and laryngeal (voice)

Question 19

CN X PS

Answer 19

To heart, lungs, digestive tract down to splenic flexure

Question 20

CN X general somatic sensor

Answer 20

Sense from pharynx, meninges, small region near external auditory meatus

Question 21

CN X visceral sensory

Answer 21

Special - taste from epiglottis and pharynx

General - chemo and baroreceptors of aortic arch

Question 22

CN XI brachial motor

Answer 22

SCM

Upper trap

Question 23

CN XII somatic

Answer 23

Intrinsics muscle of tongue

Question 24

CN I exits

Answer 24

Cribriform plate

Question 25

CN II

Answer 25

Optic canal

Question 26

CN III

Answer 26

Superior orbital fissure

Question 27

CN IV

Answer 27

Superior orbital fissure

Question 28

CN V

Answer 28

V1: superior orbital fissure
V2: foramen rotundum
V3: foramen ovale

Question 29

CN VI

Answer 29

Superior orbital fissure

Question 30

CN VII

Answer 30

Auditory canal (stylomastoid foramen)

Question 31

CN VIII

Answer 31

Auditory canal

Question 32

CN IX

Answer 32

Jugular foramen

Question 33

CN X

Answer 33

Jugular foramen

Question 34

CN XI

Answer 34

Jugular foramen (enters skull via foramen magnum)

Question 35

CN XII

Answer 35

Hypoglossal foramen