Cranial Nerve Exit Points and F(x)

Question 1

Function and what it innervates:

Olfactory (CNI)

Answer 1

Cerebrum

Olfactory epithelium

Question 2

Function and what it innervates:

Optic Nerve (CN II)

Answer 2

Cerebrum

relays visual input from retinal ganglion neuron

Question 3

Oculomotor (CN III)

Answer 3

ventral midbrain

extraocular muscles except (LR and SO), sphincter pupillae, cilliary m

Question 4

Trochlear (CN IV)

Answer 4

dorsal midbrain

superior oblique m

Question 5

Trigeminal (CN V)

Answer 5

Pons

muscles of mastication, muscles/cutaneous sensory of face

Question 6

Abducens (CN VI)

Answer 6

Pons

lateral rectus m

Question 7

Facial (CN VII)

Answer 7

Pons

facial express, rostral tongue/palate for taste, ext acoustic meatus, salivary glands and lacrimal gland (visceral motor)

Question 8

Vestibulocochlear (CN VIII)

Answer 8

Pons

Corti (sounds), semicirc canals, urticles and saccules

Question 9

Glossopharyngeal

Answer 9

Medulla

post tongue

Question 10

Vagus

Answer 10

Medulla

motor-larynx and pharynx
taste-epiglottis
senstation-auricle
visc sensory-thoracic/abdomen

Question 11

Accessory

Answer 11

Medulla

SCM/trapezius (motor)

Question 12

Hypoglossal

Answer 12

Medulla

tongue (motor)