Skull Foraminae

Question 1

Which skull foramen does CN I pass through?

Answer 1

Cribriform plate of ethmoid bone

Question 2

Which skull foramen does CN II pass through?

Answer 2

Optic canal

Question 3

Which skull foramen does CN III pass through?

Answer 3

Superior orbital fissure

Question 4

Which skull foramen does CN IV pass through?

Answer 4

Superior orbital fissure

Question 5

Which skull foramen does CN V pass through?

Answer 5

V1 = superior orbital fissure
V2 = foramen rotundum
V3 = foramen ovale

Question 6

Which skull foramen does CN VI pass through?

Answer 6

Superior orbital fissure

Question 7

Which skull foramen does CN VII pass through?

Answer 7

Internal acoustic meatus

Question 8

Which skull foramen does CN VIII pass through?

Answer 8

Internal acoustic meatus

Question 9

Which skull foramen does CN IX pass through?

Answer 9

Jugular foramen

Question 10

Which skull foramen does CN X pass through?

Answer 10

Jugular foramen

Question 11

Which skull foramen does CN XI pass through?

Answer 11

Jugular foramen

Question 12

Which skull foramen does CN XII pass through?

Answer 12

Hypoglossal canal