Week 10 Cranial Nerves

Question 1

Which nerve arises from the olfactory epithelium and functions solely by carrying afferent impulses for the sense of smell?

a) II optic
b) IX Glossopharyngeal
c) IV trochlear
d) I olfactory

Answer 1

d) I olfactory

Question 2

Which nerve functions soley by carrying afferent impulses for vision and arises from the retina?

a) II optic
b) X Vagus
c) V Trigeminal

Answer 2

a) II optic

Question 3

Cranial Nerve III Oculomotor functions in the following:

A. Functions in raising the eyelid, directing the eyeball, constricting
the iris and controlling lens shape
B. directing the eyeball
C. equilibrium

Answer 3

A. Functions in raising the eyelid, directing the eyeball, constricting
the iris and controlling lens shape

Question 4

Which nerve is primarily a motor nerve that directs the
eyeball

A Trochlear IV
B Trigeminal V
C Vestibuloccochlear VIII
D Oculomotor III

Answer 4

D Oculomotor III

Question 5

Cranial Nerve V Trigeminal has which three
divisions?

A. Ophthalmic, maxillar, mandibular
B. taste, sound, sight
C. temporal, zygomatic, mandibular
D. Opthalmic, temporal, mandibular

Answer 5

A. Ophthalmic, maxillar, mandibular

Question 6

Which nerve conveys sensory impulses from various areas of the face (V1) and (V2), and supplies motor fiers (V3) for mastication?

A X Vagus
B V Trigeminal
C III Oculomotor
D VII facial

Answer 6

B. V Trigeminal

Question 7

Cranial nerve VI Abducens is:

A a motor nerve innervating the lateral rectus
muscle
B sensory in taste
C head and neck

Answer 7

A a motor nerve innervating the lateral rectus
muscle

Question 8

Cranial Nerve VII has both sensory and motor functions.. What is the motor function and what is the sensory function?

A motor-swallowing sensor-hearing
B motor-direct the eyeball/ sensory-hearing
C motor-facial expression/Sensory-taste from the anterior two-third of the tounge

Answer 8

C. motor-facial expression/Sensory-taste from the anterior two-third of
the tounge

Question 9

This nerve functions soley sensory-providing equilibrium and hearing

A III oculomotor
B XII Hypoglossal
C X Vagus
D VIII Vestibulocochlear

Answer 9

D VIII Vestibulocochlear

Question 10

10. This nerve is a mixed nerve with motor and sensory functions, Motor function is to innervate part of the tongue and pharynx, and provide motor fibers to the parotid salivary gland Sensory funtion is conduct
    taste and general sensory impulses from the tongue and pharynx

A III oculomotor
B V Trigeminal
C IX Glossopharyngeal
D X Vagus

Answer 10

C IX Glossopharyngeal

Question 11

If both eyes turn in, which CN is likely damaged?

A. Abducens

B. Oculomotor

C. Optic

D. Trochlear

E. Ophthalmic

Answer 11

A. Abducens

Question 12

A hearing dysfunction is probably due to which nerve:

A. IV

B. V

C. VIII

D. VII

E. IX

Answer 12

C. VIII

Question 13

Which of the following cranial nerves is exclusively sensory?

A. Optic (II)

B. hypoglossal (XII)

C. trochlear (IV)

D. facial (VI)

E. trigeminal (V)

Answer 13

A. Optic (II)

Question 14

Which nerve extends beyond the head and neck?

A. facial nerve

B. vagus nerve

C. trigeminal nerve

D. glossopharyngeal nerve

E. accessory nerve

Answer 14

B. vagus nerve Wanderer; I’m going to Las Vegas!!!

Question 15

A fracture of the cribriform plate might injure the _____ cranial nerve?

A. glossopharyngeal

B. trigeminal

C. olfactory

D. facial

E. optic

Answer 15

C. olfactory

Question 16

Name the cranial nerves I - XII

Answer 16

I. OLFACTOY

II. Optic

III. Occularmotor

IV. Trochlear

V. Trigeminal (V1 - Opthalmic nerve, V2 - Maxillary nerve, V3 - mandibular nerve)

VI. Abducens

VII. Facial

VIII. Vestibulocochclear

IX. Glossopharangyeal

X. Vagus

XI. Accessory

XII. Hyoglossal

Question 17

Answer 17

Question 18

Answer 18

Question 19

Answer 19

Question 20

Answer 20

Question 21

Answer 21

Question 22

Answer 22

Question 23

Answer 23

Question 24

Answer 24

Question 25

Answer 25

Question 26

What is the olfactory nerve for? Is it sensory, motor or both?

Answer 26

Smell (sensory)

Question 27

What is the optic nerve for? Is it sensory, motor or both?

Answer 27

sight (sensory)

Question 28

What is the occularmotor for? Is it sensory, motor or both?

Answer 28

moving eyelids, eyeballs, adjusting pupils (motor)

Question 29

What is the trigeminal nerve for? Is it sensory, motor or both?

Answer 29

Moving facial muscles and allows for chewing. (both)

Question 30

What is the abducens for? Is it sensory, motor or both?

Answer 30

Moving the eyeballs (motor)

Question 31

What is the Vestibularcochlear nerve for? Is it sensory, motor or both?

Answer 31

Auditory/Hearing (sensory)

Question 32

Ehat is the facial nerve for? Is it sensory, motor or both?

Answer 32

Produces tears and saliva. For taste and to form facial expressions. (Both)

Question 33

What is the glassopharyngeal nerve for?

Answer 33

Swallowing, saliva production, taste. (Both)

Question 34

What is the vagus nerve for? Is it sensory, motor or both?

Answer 34

Controls peripheral nervous system, controls smotth muscle for swallowing. (Both)

Question 35

What is the accessor muscle for? Is it sensory, motor or both?

Answer 35

Movement of head and shoulders, allows for swallowing. (motor)

Question 36

What is the hypoglossal nerve for? Is it sensory, motor or both?

Answer 36

Moving tonge and allows you to form speech and swallowing. (Motor)