Cranial Nerves/ The Brain

Question 1

Swelling of the jugular vein as it leaves the skull would compress which of the following cranial nerves?

a. I, IV, V
b. II, IV, VI
c. IX, X, XI
d. VIII, IX, XII

Answer 1

c. IX, X, XI

Question 2

Which cranial nerves are responsible for all aspects of eye function?

Answer 2

II, III, IV, V, AND VI

Question 3

The only cranial nerves attached to the cerebrum are the:

a. optic
b. oculomotor
c. trochler
d. olfactory

Answer 3

d. olfactory

Question 4

Which CN is the smallest cranial nerve that innervates the superior oblique muscle of the eye?

Answer 4

IV, Trochlear

Question 5

The Abducens Nerve innervates which muscles?

Answer 5

Lateral Rectus

Question 6

Which hole does the hypoglossal nerve exit the skull?

Answer 6

That’s easy! The hypoglossal canal!

Question 7

Rose awakened one morning and discovered that her face was paralyzed on the left size and she had no sensation of taste from the anterior 2/3 of her tongue on the same side. What is the cause of these symptoms?

Answer 7

She has Bell’s Palsy and it is caused by inflammation of the facial nerve.

Question 8

List the three branches of CN V. List their Foramen.

Answer 8

1. Opthalmic, Superior Orbital Fissure
2. Maxillary, Foramen Rotundum
3. Mandibular, Foramen Ovale

Question 9

List the three branches of the CNV, and their primary function (Modality)

Answer 9

1. Opthalmic, Sensory
2. Maxillary, Sensory
3. Mandiblar, Mixed

Question 10

Which CN has receptors for hearing?

Answer 10

CN VIII, Cochlear branch

Question 11

Once the CN V, opthalmic branch, clears the superior orbital fissure, what are two big features that it contains? One gangion and one named nerve section???

Answer 11

Supraorbital Nerves

and the Ciliary ganglion