Cranial Nerves Dural And Skull Exit

Question 1

1

Answer 1

Olfactory nerve

S: Cribiform plate

D: Cribiform plate

Question 2

2

Answer 2

Optic nerve

D: Posterior pole of eyeball

S: Optic canal

Question 3

3

Answer 3

Oculomotor nerve

D: Cavernous sinus (lateral wall) b.w the ant and post petroclinoid folds

S: Sup orbital fissure

Question 4

4

Answer 4

Torchlear

D: Cavernous sinus (lateral wall) enters within the petroclinoid fold

S: Sup orbital fissure

Question 5

5

Answer 5

Trigeminal

D: V1/V2: Cavernous sinus V3: Foramen ovale (meckels cave)

S: V1: Sup orbital fissure V2: Rotundum V3: Ovale

Question 6

6

Answer 6

Abducent

D: Cavernous sinus (freely) Ascends in the dorellos canal, far below the post petroclinoid fold

S: Sup orbital fissure

Question 7

7

Answer 7

Facial

Fundus of internal acoustic meatus

Question 8

8

Answer 8

Vestibulocochlear

Fundus of internal acoustic meatus

Question 9

9

Answer 9

Glossopharyngeal

Jugular foramen (anterior pars nervosa)

Question 10

10

Answer 10

Vagus

Jugular foremen (anterior pars nervosa)

Question 11

11

Answer 11

Accessory

Jugular foramen

Question 12

12

Answer 12

Hypoglossal

Hypoglossal canal