Appendix C

Question 1

Olfactory Nerve Pair

Answer 1

CN #1

Question 2

Optic Nerve Pair

Answer 2

CN #II

Question 3

Oculomotor Nerve Pair

Answer 3

CN #III

Question 4

Trochlear Nerve Pair

Answer 4

CN # IV

Question 5

Trigeminal Nerve Pair

Answer 5

CN #V

Question 6

Abducens Nerve Pair

Answer 6

CN #VI

Question 7

Facial Nerve Pair

Answer 7

CN #VII

Question 8

Vestibulocochlear Nerve Pair

Answer 8

CN # VIII

Question 9

Glossopharyngeal Nerve Pair

Answer 9

CN IX

Question 10

Vagus Nerve Pair

Answer 10

CN #X

Question 11

Accessory Nerve Pair

Answer 11

CN #XI

Question 12

Hypoglossal Nerve Pair

Answer 12

CN #XII

Question 13

CN #1 Function

Answer 13

Carries Olfactory Input to brain via Olfactory bulb and tract (after receiving chemical stimuli from nose)

Question 14

CN #II Function

Answer 14

Optic Nerve carries about 1 million neuron fibers back from the retina of each eye to the brain via Optic Nerves, Chiasma, and Tracts

Question 15

CN # VIII Function

Answer 15

Auditory Nerve

Carries input on equilibrium from inner ear

Question 16

Cranial Nerves ___, ___, & ____ are special sense nerves only

Answer 16

I
II
VIII

Question 17

Cranial Nerves ___, ___, ___, all go to the eye area

Answer 17

III
IV
VI

Question 18

There are ___ ____ ____ that allow us to move each eyeball

Answer 18

6 voluntary (somatic) Muscles

Question 19

CN __ and ___ supply one muscle each

Answer 19

IV

VI

Question 20

CN III Function

Answer 20

More complex, larger
Supplies 4 of the 6 external eye muscles
Parasympathetic control over 2 smooth muscles on inside of eye which allow us to use more or less light and view objects at distances and switch quickly between near objects and stay focused

Question 21

CN _____ is referred to as “The Great Sensory Nerve of the Face”

Answer 21

V

Question 22

CN ___ is referred to as the “Nerve of Facial Expression”

Answer 22

VII

Question 23

CN V Characteristics

Answer 23

Largest cranial nerve
Origin comes out of side of pons
Breaks into 3 parts
Ophthalmic, Maxillary, Mandibular

Question 24

CN V Functions

Answer 24

Primarily sensory nerve but does supply motor fibers to muscles which help us chew food
Carries sensation of pain, thermal, light & deep touch from facial areas

Question 25

CN VII function

Answer 25

Important motor nerve to muscles of facial expression
Sensory component brings taste from anterior parts of tongue
Motor innervates the “tear” producing lacrimal glands

Question 26

Mixed Cranial Nerves

Answer 26

Nerves may be best known for sensory or motor parts but often carry both
Ex. CN V, VII

Question 27

CN IX Function

Answer 27

Mixed nerve supplying motor and sensory innervation to pharynx tissue and back of tongue
Extensive parasympathetic control over largest salivary glands (parotids)

Question 28

CN #XII Function

Answer 28

Motor nerve that controls all significant muscles that help move the tongue

Question 29

The ____ , with its 18 Muscles, is ____ in versatility in the body

Answer 29

Tongue
Second

First is hand

Question 30

CN #X Characteristics

Answer 30

Longest CN serving head, neck, sends branches down to innervate the thorax and abdomen structures

Question 31

CN #X Function

Answer 31

Mixed nerve
80% of fibers are Afferent
Major visceral component is parasympathetic

Question 32

CN # XI Function

Answer 32

Innervates 2 important muscles of the neck
Sternocleidomastoid (SCM)
Trapezius

Question 33

CN #XI Characteristics

Answer 33

Motor nerve comes partly from M.O. and partly form spinal cord’s upper cervical area (C1-C5)
Few fibers join with vagus to be distributed

Question 34

Most sensory and motor information ______

Answer 34

Crosses over