Neuro: Cranial Nerve and Vessel Pathways

Question 1

What CN passes through the Cribriform Plate?

Answer 1

• CN I

Question 2

What CN passes through the Middle Cranial Fossa?

Answer 2

• CN II - CN VI

Question 3

Sphenoid Bone: Through the Optic Canal?

Answer 3

• CN II
• Ophthalmic Artery
• Central Retinal Vein

Question 4

Sphenoid Bone: Through the Superior Orbital Fissure?

Answer 4

• CN III
• CN IV
• CN V₁ - Opthalmic
• CN VI
• Sympathetic Fibers
• Ophthalmic Vein

Question 5

Sphenoid Bone: Through the Foramen Rotundum?

Answer 5

• CN V₂ - Maxillary

Question 6

Sphenoid Bone: Through the Foramen Ovale?

Answer 6

• CN V₃ - Mandibular

Question 7

Sphenoid Bone: Through the Foramen Spinosum?

Answer 7

• Middle Meningeal Artery

Question 8

What CNs pass through the Posterior Cranial Fossa?

Answer 8

• CN VII - XII

Question 9

What CNs pass through the Internal Auditory Meatus?

Answer 9

• CN VII
• CN VIII

Question 10

What CNs pass through the Jugular Foramen?

Answer 10

• CN IX
• CN X
• CN XI
• Jugular Vein

Question 11

What CNs pass through the Hypoglossal Canal?

Answer 11

• CN XII

Question 12

What CNs pass through the Foramen Magnum?

Answer 12

• Spinal roots of CN XI
• Brain stem
• Vertebral arteries