Anatomy

Question 1

Olfactory nerve

Answer 1

CN1

Question 2

Olfactory nerve Passes where?

Answer 2

Through the Cribiform plate to go to olfactory bulb

Question 3

Optic Nerve

Answer 3

CNII

Question 4

Oculomotor nerve

Answer 4

cranial nerve CNIII

Question 5

Oculomotor nerve originates…?

Answer 5

from the oculomotor nucleus and the Edinger-Westphal nucleus within the midbrain of the brainstem.

Question 6

Oculomotor nerve Passes through… to reach where?

Answer 6

It passes through the cavernous sinus and proceeds through the supraorbital fissure to reach the orbit of the eye

Question 7

Trochlear Nerve

Answer 7

CNIV

Question 8

Superior oblique muscle Innervated by what?

Answer 8

Trochlear nerve, cranial nerve IV

Question 9

______ is the only cranial nerve to exit from the posterior midbrain

Answer 9

Trochlear nerve,

Question 10

The ______ (IV) nerve moves along the lateral wall of the cavernous sinus before entering the __________ via ______

Answer 10

(Trochlear) -Orbit of the eye via the superior orbital fissure.

Question 11

Three branchess of Trigeminal nerve are…

Answer 11

ophthalmic (V1), maxillary (V2), and mandibular (V3) nerves.

Question 12

Ophthalmic nerve (V1), Travles….

Answer 12

passes forward in the lateral wall to the cavernous sinus. It then enters the orbit via the superior orbital fissure * Branch of Trigeminal Nerve V

Question 13

Maxillary Nerve.(V2) (From..) trigeminal ganglion, Leaves the skull through ?

Answer 13

Foramen rotundum

Question 14

The mandibular nerve (V3) exits the skull base through

Answer 14

Foramen ovale.

Question 15

Of the 3 branches of Trigeminal (CN?) Which ones are sensory and Which are motor?

Answer 15

V3 is the only branch which contains both sensory and motor components

The Opthalmic (V1) and Maxillary (V2) nerves contain only sensory fibres.

Question 16

The motor root of the mandibular nerve innervates the four muscles of mastication.. What are these?

Answer 16

Masseter,
Temporalis muscle,
The lateral pterygoids and
The medial pterygoids.

Question 17

Dorello’s canal is assocaited with which nerver?

Answer 17

abducens nerve (VI)

Question 18

Abducens Nerve pathway?

Answer 18

Into Cavernous sinus through superior orbital fissure and into orbit

Question 19

Lateral Rectus muscle is associated with which CN?

Answer 19

Abducent

Question 20

Fascial nerve branches?

Answer 20

Frontal (temporal)
Zygomatic
Buccal
Marginal mandibular
Cervical

Question 21

Vertigo, nystagmus, tinnitus, and sensorineural hearing loss may occur with damage to what

Answer 21

Vestibulocochlear CN VIII

Question 22

Vestibulocochlear nerve exits skull ..

Answer 22

Internal acoustic meatus

Question 23

Vestibulocochlear nerve PATHWAY

Answer 23

emerges from the brain at the cerebellopontine angle and exits the cranium via the internal acoustic meatus of the temporal bone

Question 24

Glossopharyngeal nerve originates in the _____ and Exits through…

Answer 24

medulla oblongata of the brain
Jugular foramen.

Question 25

What Nerves exit through the Jugular foramen?

Answer 25

Cranial nerves IX, X, and XI, glossopharyngeal, vagus, and accessory nerves

Question 26

vagus nerve has its origin in the _____ exits the skull via ____

Answer 26

vagus nerve has its origin in the medulla oblongata and exits the skull via the jugular foramen.

Question 27

VAGUS RIGHT

Answer 27

INFO

Question 28

VAGUS LFET INFO

Answer 28

VAGUS LFET INFO

Question 29

Ascending into the Cranial vault… ___ Nerve enters and exits?

Answer 29

Accessory nerve enters into Cranial vault through foramen magnum and exits through the jugular foramen

Question 30

Accessory nerve Arises from…

Answer 30

C1-6

Question 31

This nerve originates from the upper spinal cord and medulla and enters the skull through the foramen magnum.

Answer 31

Cranial nerve XI, or the accessory nerve,

Question 32

The hypoglossal nerve arises from the _______ then the nerve exits the cranium

Answer 32

hypoglossal nucleus in the medulla oblongata of the brainstem.

the hypoglossal canal of the occipital bone.

Question 33

What nerves pass through the Internal acoustic meatus?

Answer 33

Fascial and vestibulocochlear

Question 34

What nerves pass through the Superior orbital fissure ?

Answer 34

occulomotor (III), Trochlear (IV), Opthalamic (VI), Abducence (VI)

Question 35

What nerves pass through the Foramen Rotundum?

Answer 35

Maxillary V2