Cranial Nerves

Question 1

nerve I

Answer 1

Olfactory

Question 2

Nerve II

Answer 2

Optic

Question 3

Nerve III

Answer 3

Occulomotor

Question 4

Nerve IV

Answer 4

Trochlea

Question 5

Nerve V

Answer 5

Trigeminal

Question 6

Nerve VI

Answer 6

Abducens

Question 7

Nerve VII

Answer 7

Facial

Question 8

Nerve VIII

Answer 8

Vestibulocochlear

Question 9

Nerve IX

Answer 9

Glossopharyngeal

Question 10

Nerve X

Answer 10

Vagus

Question 11

Nerve XI

Answer 11

Accessory

Question 12

Nerve XII

Answer 12

Hypoglossal

Question 13

Which bone does the olfactory nerve enter

Answer 13

Ethmoid

Question 14

Optic foramen contains what

Answer 14

Optic nerve

Ophthalmic artery

Question 15

Superior orbital fissure contains what

Answer 15

Oculomotor
trochlear
abducens
trigeminal V1 (opthalmic)

Question 16

Foramen rotundum is in which bone

Answer 16

Sphenoid bone

Question 17

3 jugular foramen parts

Answer 17

anterior
intermediate
posterior

Question 18

Contents of anterior jugular foramen

Answer 18

Inferior petrosal sinus

Question 19

Contents of intermediate jugular foramen

Answer 19

Glossopharyngeal, vagus, accessory nerves

Question 20

Contents of posterior jugular foramen

Answer 20

Sigmoid sinus (become internal jugular vein)

Question 21

What is petrous bone

Answer 21

Pyramid shaped part of temporal bone and contains inner ear

Question 22

Most anterior foramen

Answer 22

Foramen Caecum

Question 23

What travels through foramen caecum and why is this clinically relevant?

Answer 23

Emissary vein - drains blood from nose to superior sagittal sinus and in theory can spread infections from nose/face to brain

Question 24

Anterior cranial fossa contents:

Answer 24

cribriform plate + foramen caecum

Question 25

Middle cranial Fosses contents: (6)

Answer 25

``` Optic canal Superior orbital fissure Foramen rotundum Foramen ovale Foramen spinosum Foramen lacerum ```

Question 26

Posterior cranial fossa contents: (4)

Answer 26

Internal acoustic meatus Jugular foramen Foramen Magnum Hypoglossal Canal

Question 27

Foramen Rotundum contents:

Answer 27

V2 of trigeminal nerve - maxillary branch

Question 28

Forament Ovale contents:

Answer 28

V3 of trigeminal nerve - mandibular branch

Question 29

Formamen spinosum content:

Answer 29

Middle meningeal artery

Question 30

Foramen Lacerum contents:

Answer 30

Internal carotid artery

Question 31

Internal acoustic meatus contents:

Answer 31

facial nerve labrythine artery and vein vestibulocochlear nerve

Question 32

Jugular foramen contents:

Answer 32

Glossopharyngeal nerve Vagus nerve Accessory nerve Internal jugular vein

Question 33

Foramen magnum contents

Answer 33

Spinal cord Vertebral arteries *root of accessory enters via magnum but exist via jugular*

Question 34

Hypoglossal Canal content:

Answer 34

Hypoglossal nerve