Cranial Nerves

Question 1

CN I - identify

Answer 1

Olfactory Nerve

Question 2

CN II - identify

Answer 2

Optic Nerve

Question 3

CN III - identify

Answer 3

Oculomotor Nerve

Question 4

CN IV - identify

Answer 4

Trochlear Nerve

Question 5

CN V - identify

Answer 5

Trigeminal Nerve

Question 6

CN VI - identify

Answer 6

Abducens

Question 7

CN VII - identify

Answer 7

Facial

Question 8

CN VIII - identify

Answer 8

Acoustic/Vestibulocochlear

Question 9

CN IX - identify

Answer 9

Glossopharyngeal

Question 10

CN X - identify

Answer 10

Vagus

Question 11

CN XI - identify

Answer 11

Accessory

Question 12

CN XII - identify

Answer 12

Hypoglossal

Question 13

CN I Olfactory -Function

Answer 13

Sensory: Smell

Question 14

CN II Optic - Function

Answer 14

Sensory: Vision

Question 15

CN III Oculomotor - Function

Answer 15

Motor: ciliary muscles, sphincter pupillae, all intrinsic muscles of eye except superior oblique and lateral rectus muscles of eye

Question 16

CN IV Trochlear - Function

Answer 16

Motor: superior oblique muscle of eye

Question 17

CN V Trigeminal - Function

Answer 17

Sensory: face; oral, nasal and sinus mucosa; teeth; anterior two thirds of tongue

Motor: muscles of mastication

Question 18

CN VI Abducent - Function

Answer 18

Motor: Lateral rectus muscles of eye

Question 19

CN VII Facial - Function

Answer 19

Sensory: taste from anterior 2/3 of tongue, soft palate

Motor: submandibular, sublingual, lacrimal, nasal and palatine glands

Question 20

CN VIII Acoustic/Vestibulocochlear - Function

Answer 20

Vestibular nerve - Sensory: equilibrium, motion

Cochlear nerve -Sensory: hearing

Question 21

CN IX Glossopharyngeal - Function

Answer 21

Sensory: taste; posterior 1/3 of tongue, general sensation; pharynx, tonsillar, sinus, pharyngotympanic tube, middle ear cavity

Motor: stylopharyngeus, upper pharyngeal muscles, parotid gland

Question 22

CN X Vagus - Function

Answer 22

Sensory: pharynx, larynx, lungs, heart, GI tract

Motor: palate, pharynx, larynx, trachea, bronchial tree, heart, GI tract

Question 23

CN XI Accessory - Function

Answer 23

Motor: sternocleidomastoid, trapezius

Question 24

CN XII Hypoglossal - Function

Answer 24

Motor: all intrinsic and extrinsic muscles of tongue (excluding palatoglossus)