Cranial Nerves: Sensory and Motor Functions ----------------------------------------------------

Question 1

cranial nerve for:

special somatic sensory

Olfaction

Answer 1

CN I Olfactory nerve

Question 2

cranial nerve for:

special somatic sensory

Vision

Answer 2

CN II Optic nerve

Question 3

cranial nerve for:

somatic motor

levator palpebrae superior and all extra ocular muscles, except for superior oblique and lateral rectus

Answer 3

CN III Oculomotor nerve

Question 4

cranial nerve for:

parasympathetic

parasympathetics to pupil constrictor and ciliary muscles for near vision

Answer 4

CN III Oculomotor nerve

Question 5

cranial nerve for:

somatic motor

superior oblique muscle; causes depression and intorsion of the eye

Answer 5

CN IV Trochlear nerve

Question 6

cranial nerve for:

general somatic sensory

sensations of touch pain temp joint position vibration for the face mouth ANTERIOR TWO THIRDS OF TONGUE nasal sinus and meninges

Answer 6

CN V Trigeminal nerve

Question 7

cranial nerve for:

Branchial motor

muscles of mastication and tensor tympani muscle

Answer 7

CN V Trigeminal nerve

Question 8

cranial nerve for:

somatic motor

lateral rectus muscle, causes abduction of the eye

Answer 8

CN VI abducens nerve

Question 9

cranial nerve for:

branchial motor

muscles of facial expression, stapedius muscle, and part of the digastric muscle

Answer 9

CN VII facial nerve

Question 10

cranial nerve for:

parasympathetic

parasympathetics to the lacrimal glands, and to the submaxillary, submandibular, and all other salivary glands except the parotid

Answer 10

CN VII facial nerve

Question 11

cranial nerve for:

visceral sensory (special)

taste from anterior two-thirds of the tongue

Answer 11

CN VII facial nerve

Question 12

cranial nerve for:

general somatic sensory

sensation from a small region near the external auditory meatus

Answer 12

CN VII facial nerve

Question 13

cranial nerve for:

special somatic sensory

hearing and vestibular sensation

Answer 13

CN VIII vestibulocochlear nerve

Question 14

cranial nerve for:

branchial nerve

stylopharyngeus muscle

Answer 14

CN IX glossopharyngeal nerve

Question 15

cranial nerve for:

parasympathetic

parasympathetics to parotid gland

Answer 15

CN IX glossopharyngeal nerve

Question 16

cranial nerve for:

general somatic sensory

sensation from the middle ear, region near the external auditory meatus, pharynx, and posterior one third of tongue

Answer 16

CN IX glossopharyngeal nerve

Question 17

cranial nerve for:

visceral sensory (special)

taste from posterior one third of tongue

Answer 17

CN IX glossopharyngeal nerve

Question 18

cranial nerve for:

visceral sensory (general)

chemo and baroreceptors of carotid body

Answer 18

CN IX glossopharyngeal nerve

Question 19

cranial nerve for:

branchial motor

pharyngeal muscles (swallowing) and laryngeal muscle (voice box)

Answer 19

CN X vagus nerve

Question 20

cranial nerve for:

parasympathetic

parasympathetics to heart lung digestive tract to the splenic flexure

Answer 20

CN X vagus nerve

Question 21

cranial nerve for:

general somatic sensory

sensation from pharynx, meninges, and a small region near the external auditory meatus

Answer 21

CN X vagus nerve

Question 22

cranial nerve for:

visceral sensory (special)

taste from the epiglottis and pharynx

Answer 22

CN X vagus nerve

Question 23

cranial nerve for:

visceral sensory (general)

chemo and baroreceptors of the aortic arch

Answer 23

CN X vagus nerve

Question 24

cranial nerve for:

branchial motor

sternomastoid and upper part of the trapezius

Answer 24

CN XI spinal accessory nerve

Question 25

cranial nerve for :

somatic motor

intrinsic muscles of the tongue

Answer 25

CN XII hypoglossal nerve

Question 26

what are the somatic motor nerves (general somatic efferent)?

Answer 26

CN III, IV, VI,XII

Question 27

what are the branchial motor nerves (special visceral efferent)?

Answer 27

CN V, VII, IX, X, XI

Question 28

what are the parasympathetic nerves (general visceral efferent)?

Answer 28

CN III, VII, IX, X