Cranial nerves

Question 1

cranial nerves with special sensation

Answer 1

CN I
CN II
CN VIII

Question 2

efferent cranial nerves

Answer 2

CN III
CN IV
CN VI
CN XI
CN XII

Question 3

afferent cranial nerves

Answer 3

CN V
CN VII
CN IX
CN X

Question 4

CN I

Answer 4

Olfactory
Sensory- smell

Question 5

CN II

Answer 5

Optic
Sensory- vision

Question 6

CN III

Answer 6

Occulomotor
Motor- Hillary muscles, sphincter pupillae, extrinsic eye muscles

Question 7

CN IV

Answer 7

Trochlear
Motor- superior oblique muscle of the eye

Question 8

CN VI

Answer 8

Abducent
Motor- lateral rectus muscle of eye

Question 9

CN V

Answer 9

Trigeminal
Motor- muscles of mastication
Sensory- face, sinuses, teeth

Question 10

CN VII primary root

Answer 10

Facial
Motor- muscles of facial expression

Question 11

CN VII intermediate nerve

Answer 11

Facial
Motor- submandibular, sublingual, lacrimal glands
Sensory- taste to anterior two thirds of tongue, soft palate

Question 12

CN VIII

Answer 12

Vestibulocochlear
Vestibular nerve- sensory- orientation, motion
Cochlear nerve- sensory- hearing

Question 13

CN IX

Answer 13

Glossopharyngeal
Motor- stylopharngeus, parotid gland
Sensory- taste: posterior third of tongue, general sensation, pharynx, tonsillar sinus, pharngtyompanic tube, middle ear cavity

Question 14

CN X

Answer 14

Vagus
Motor- palate, pharynx, larynx, trachea, bronchial tree, heart GI tract to left colic flexure
Sensory- pharynx, larynx, reflex sensory from tracheobronchial tree, lungs, heart, GI tract to left colic flexure

Question 15

CN XI

Answer 15

Spinal accessory
Motor- sternocleidomastoid and trapezius

Question 16

CN XII

Answer 16

Hypoglossal
Motor- all intrinsic and extrinsic muscles of tongue, except palatoglossus