CN Foramen

Question 1

Cribriform Plate of Ethmoid Bone

Answer 1

CN I - olfactory n

Question 2

Optic Canal

Answer 2

CN II - optic n

Question 3

superior orbital fissure

Answer 3

• CN III - oculomotor n
• CN IV - trochlear n
• CN V - V1 division (ophthalmic)
• CN VI - Abducens n

Question 4

Foramen Rotundum

Answer 4

CN V - V2 division (maxillary)

Question 5

Foramen Ovale

Answer 5

CN V - V3 division (mandibular) — Mental Foramen (terminal branch)

Question 6

Internal Acoustic Meatus

Answer 6

• CN VII - facial n

- CN VII - vestibulocochlear n

Question 7

Jugular Foramen

Answer 7

• CN IX - glossopharyngeal n
• CN X - vagus n
• CN XI - Spinal Accessory n

Question 8

Hypoglossal Canal

Answer 8

CN XII - Hypoglossal N

Question 9

Infraorbital Foramen

Answer 9

CN V - Terminal branch of V2

Question 10

Stylomastoid Foramen

Answer 10

CN VII - facial n (skull to face) – branchiomotor component (SVE)

Question 11

Foramen Spinosum

Answer 11

Middle Meningeal A.