Cranial Nerves and Vessel Pathways EC

Question 1

Structures passing through Cribriform plate

Answer 1

CN I

Question 2

Structures passing through Middle cranial fossa

Answer 2

CN II-VI (through sphenoid bone)

Question 3

Structures passing through Optic canal

Answer 3

CN II
Ophthalmic artery
Central retinal vein

Question 4

Structures passing through Superior orbital fissure

Answer 4

CN III, IV, V1, VI,
Ophthalmic vein
Sympathetic fibers

Question 5

Structures passing through Foramen Rotundum

Answer 5

CN V2

Question 6

Structures passing through Foramen Ovale

Answer 6

CN V3

Question 7

Structures passing through Foramen Spinosum

Answer 7

Middle meningeal artery

Question 8

Structures passing through Posterior cranial fossa

Answer 8

CN VII-XII (through temporal or occipital bone)

Question 9

Structures passing through Internal Acoustic Meatus

Answer 9

CN VII, VIII

Question 10

Structures passing through Jugular Foramen

Answer 10

CN IX, X, XI

Jugular vein

Question 11

Structures passing through Hypoglossal Canal

Answer 11

CN XII

Question 12

Structures passing through Foramen Magnum

Answer 12

CN XI roots
Brain stem
Vertebral arteries