Cranial nerves

Question 1

What nerves originate from the cerebrum?

Answer 1

Olfactory Nerve
Optic Nerve

Question 2

What cranial nerve is the longest:

Answer 2

Trochlear nerve

Question 3

Where does the occulomotor nerve originate?

Answer 3

The midbrain-pontine junction

Question 4

Where does the trigeminal nerve originate?

Answer 4

The pons

Question 5

What nerves originate at the medulla oblongata?

Answer 5

Posterior to the olive: Glossopharyngeal, Vagus and accessory
Anterior to the olive: Hypoglossal

Question 6

What nerve originate from the pontine-medulla junction?

Answer 6

Abducens
Facial
Vestibulocochlear

Question 7

List the nerves which pass through the superior orbital fissure:

Answer 7

Oculomotor
Trochlear
Ophthalmic
Abducens

Question 8

What cranial nerve passes through the foramen rotundem

Answer 8

Branch 2 of the trigeminal - Maxillary

Question 9

What nerves pass through the internal acoustic meatus?

Answer 9

Facial
Vestibulocochlear

Question 10

List the nerves which pass through the jugular foramen:

Answer 10

Glossopharyngeal
Vagus
Accessory

Question 11

What nerve passes through the optic canal/

Answer 11

The optic nerve

Question 12

What nerve passes through the cribriform plate?

Answer 12

The olfactory nerve

Question 13

How does the hypoglossal nerve exit the skull?

Answer 13

The hypoglossal canal

Question 14

Where does the ophthalmic branch of the trigeminal supply?

Answer 14

Scalpe
Forehead
Nose

Question 15

Where does CNV2 - maxiallry nerve supply?

Answer 15

Cheeks
Lower eye lid
Nasal mucosa
Upper lip
Upper teeth
Palate

Question 16

Where does the mandibular nerve (CNV3) supply?

Answer 16

Anterior 2/3 of tongue
Skin on mandible
Lower teeth
Muscles of mastication

Question 17

What muscle does the abducens supply?

Answer 17

The lateral rectus

Question 18

What muscle does the trochlear supply?

Answer 18

The superior oblique

Question 19

List the areas that the facial nerve supplies general somatic sensory to?

Answer 19

External ear

Question 20

List the areas that the facial nerve supplies special visceral motor innervation to?

Answer 20

Muscles of facial expression
Note also supplies posterior belly of digastric muscle
Supplies innervation to the stapes

Question 21

List the areas that the facial nerve supplies general visceral motor innervation to?

Answer 21

Lacrimal gland
Submandibular
Sublingual; glands
Mucus glands of mouth and nose

Question 22

What is the role of the vestibulocochlear nerve>

Answer 22

Hearing and balance via specialised somatic sensory innervation

Question 23

Sight sound and balance innervation is derived from the ___derm

Answer 23

Ecto

Question 24

Special visceral sensory e.g. taste and smell is derived from the ____derm

Answer 24

Endo derm

Question 25

General visceral motor relates to what muscle groups

Answer 25

The smooth muscles of the gut and autonomic motor

Question 26

List all areas the glossopharyngeal nerve innervates:

Answer 26

Posterior 1/3rd of tongue sensation and taste
External ear
Middle ear cavity
Carotid body and sinus
Parotid gland
Stylopharyngeus

Question 27

What muscles does the accessory nerve supply:

Answer 27

Trapezius
Sternocleidomastoid

Question 28

What does the hypoglossus innervate?

Answer 28

GSM: intrinsic and extrinsic tongue muscles

Question 29

What is the exception of tongue muscle not innervated by hypoglossal:

Answer 29

Palatoglossus

Question 30

In what skull bone is the internal acoustic meatus located?

Answer 30

The temporal bone