Skull Openings for Cranial Nerves

Question 1

I - Olfactory

Answer 1

Cribriform plate of ethmoid bone

Question 2

II - Optic

Answer 2

Optic canal

Question 3

III - Oculomotor

Answer 3

Superior orbital fissure

Question 4

IV - Trochlear

Answer 4

Superior orbital fissure

Question 5

V1 - Ophthalmic Division of Trigeminal

Answer 5

Superior orbital fissure

Question 6

V2 - Maxillary Division of Trigeminal

Answer 6

Foramen Rotundum

Question 7

V3 - Mandibular Division of Trigeminal

Answer 7

Foramen Ovale

Question 8

VI - Abducens

Answer 8

Superior orbital fissure

Question 9

VII - Facial

Answer 9

Internal acoustic meatus

Question 10

VIII - Vestibularcochlear

Answer 10

Internal acoustic meatus

Question 11

IX - Glossopharyngeal

Answer 11

Jugular foramen

Question 12

X - Vagus

Answer 12

Jugular foramen

Question 13

XI - Accessory

Answer 13

Jugular foramen

Question 14

XII - Hypoglossal

Answer 14

Hypoglossal canal

Question 15

Which cranial nerves exit the superior orbital fissure?

Answer 15

C.N. III, IV, V1, and VI

Question 16

Which cranial nerves exit the jugular foramen?

Answer 16

C.N. IX, X, XI

Question 17

Which cranial nerves exit the internal acoustic meatus?

Answer 17

C.N. VII, VIII

Question 18

Which cranial nerve exits the cribriform plate of the ethmoid bone?

Answer 18

C.N. 1

Question 19

Which cranial nerve exits they Hypoglossal canal?

Answer 19

C.N. XII

Question 20

Which cranial nerve exits the foramen ovale?

Answer 20

C.N. V3 - Mandibular division of the Trigeminal

Question 21

Which cranial nerve exits the foramen rotundum?

Answer 21

C.N. V2 - Maxillary division of the Trigeminal

Question 22

Which cranial nerve exists the optic canal?

Answer 22

C.N. II