Lab Practical 3

Question 1

Cranial Nerve I

Answer 1

olfactory

Question 2

Cranial Nerve II

Answer 2

optic

Question 3

Cranial Nerve III

Answer 3

oculomotor

Question 4

Cranial Nerve IV

Answer 4

trochlear

Question 5

Cranial Nerve V

Answer 5

trigeminal

Question 6

Cranial Nerve VI

Answer 6

abducens

Question 7

Cranial Nerve VII

Answer 7

facial

Question 8

Cranial Nerve VIII

Answer 8

vestibulocochlear

Question 9

Cranial Nerve IX

Answer 9

glossopharyngeal

Question 10

Cranial Nerve X

Answer 10

vagus

Question 11

Cranial Nerve XI

Answer 11

accessory spinal

Question 12

Cranial Nerve XII

Answer 12

hypoglossal

Question 13

Cranial Nerve I Function

Answer 13

sensory

Question 14

Cranial Nerve II Function

Answer 14

sensory

Question 15

Cranial Nerve III Function

Answer 15

motor

Question 16

Cranial Nerve IV Function

Answer 16

motor

Question 17

Cranial Nerve V Function

Answer 17

both

Question 18

Cranial Nerve VI Function

Answer 18

motor

Question 19

Cranial Nerve VII Function

Answer 19

both

Question 20

Cranial Nerve VIII Function

Answer 20

sensory

Question 21

Cranial Nerve IX Function

Answer 21

both

Question 22

Cranial Nerve X Function

Answer 22

both

Question 23

Cranial Nerve XI Function

Answer 23

motor

Question 24

Cranial Nerve XII Function

Answer 24

motor

Question 25

Learning the Nerves Saying

Answer 25

oh oh oh to touch and feel very glossy violins and harps

Question 26

Learning the Function Saying

Answer 26

some say mary money but my brother says be brave make money

Question 27

ask partner to close eyes, then slowly move a fresh alcohol pad towards their right or left nostril

Answer 27

olfactory

Question 28

record the time required to read the paragraph about this nerve

Answer 28

optic

Question 29

slowly move a pencil up, down, side-to-side and diagonally in front of your partner’s face

Answer 29

oculomotor, trochlear, abducens

Question 30

test sensory responses by lightly touching each of the three areas, noting whether patient detects the stimulus

Answer 30

trigeminal

Question 31

ask your partner to smile, frown, puff out their cheeks and raise their eyebrows. you are looking for symmetrical movement from both sides of the face

Answer 31

facial nerve

Question 32

rub your fingers next to either ear and ask your partner to raise their hand on the side of the head where they hear it

Answer 32

vestibulocochlear

Question 33

ask partner to swallow, speak, and cough. use a penlight to observe the movement of the uvula

Answer 33

glossopharyngeal

Question 34

while partner is seated, place your hands on his/her shoulders and ask him/her to shrug shoulders and try to rotate head

Answer 34

spinal accessory

Question 35

ask partner to protrude and retract his/her tongue

Answer 35

hypoglossal

Question 36

optic nerve

Answer 36

transmit AP to the brain from the eye

Question 37

extrinsic eye muscles

Answer 37

controls the movement of the eye

Question 38

cornea

Answer 38

helps focus light on the retina

Question 39

vitreous humor

Answer 39

provide support

Question 40

aqueous humor

Answer 40

provide support

Question 41

retina

Answer 41

receive light that the lens has focused, convert the light into neural signals, and send these signals on to the brain for visual recognition

Question 42

optic disc

Answer 42

carries visual information to the thalamus and other parts of the brain

Question 43

choroid

Answer 43

forms major vascular portion that lines the internal surface of sclera

Question 44

ciliary body

Answer 44

secrete aqueous humor

Question 45

tapetum lucidum

Answer 45

reflects a variety of colors you observe at night

Question 46

sclera

Answer 46

protection and provides attachment

Question 47

lens

Answer 47

works with the cornea to reflect light

Question 48

suspensory ligaments

Answer 48

attach the lens to the ciliary body

Question 49

iris

Answer 49

control the light level in the eye

Question 50

pupil

Answer 50

regulate the amount of light entering the light