Cranial Nerve Exits

Question 1

Cribiform Plate

Answer 1

Olfactory nerve (CN I)

Question 2

Optic Canal

Answer 2

Optic nerve (CN II)

Question 3

Superior Orbital Fissure

Answer 3

• Occulomotor nerve (CN III)
• Trochlear nerve (CN IV)
• Abducens nerve (CN VI)
• Trigeminal nerve (CN V): Opthalamic branch (V1)

Question 4

Foramen Rotundum

Answer 4

Trigeminal nerve (CN V): Maxillary branch (V2)

Question 5

Foramen Ovale

Answer 5

Trigeminal nerve (CN V): Mandibular branch (V3)

Question 6

Internal acoustic meatus/internal auditory canal

Answer 6

• Facial nerve (CN VII)

- Vestibulocochlear nerve (CN VIII)

Question 7

Stylomastoid foramen

Answer 7

Facial nerve (CN VII): Somatic branch

Question 8

Jugular foramen

Answer 8

• Glossopharyngeal nerve (CN IX)
• Vagus nerve (CN X)
• Spinal Accessory nerve (CN XI)

Question 9

Hypoglossal canal/foramen

Answer 9

Hypoglossal nerve (CN XII)