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Eye Anatomy & The Nervous System

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.
Opens and closes to adjust the total amount of light entering the eye.
a)
Iris
b)
Scelera
c)
Cornea
d)
Human lens
2.
Which layer is a blood vessel-rich layer with a dark brown membrane? 
a)
Choroid
b)
Sclera
c)
Retina
d)
Cornea
3.
Which nerve transmits information from the eye to the brain?
a)
Optic
b)
Olfactory
c)
Occulomotor
d)
Trigeminal
4.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
5.
Which part of the eye contracts and dilates based on the environment? 
a)
Pupil
b)
Cornea
c)
Sclera
d)
Iris
6.
What is letter G?
a)
Sclera
b)
Retina
c)
Lens
d)
Vitreous humor
7.
What is letter I?
a)
Cornea
b)
Lens
c)
Vitreous humor
d)
Optic nerve
8.
Transparent jelly like tissue that fills the eyeball behind the lens.
a)
Vitreous humor
b)
Plasma
c)
Optic nerve
d)
Eyeball juice
9.
What is letter F
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Pupil
10.
Which of the following is the correct order in which light travels through the eye?  
a)
Cornea, Lens, Retina, Pupil, Optic Nerve
b)
Pupil, Cornea, Lens, Retina, Optic Nerve
c)
Cornea, Retina, Lens, Pupil, Optic Nerve
d)
Cornea, Pupil, Lens, Retina, Optic Nerve
11.
The mucous membrane that lines the eyelids and covers the front of the eye is called the
a)
sclera
b)
retina
c)
cornea
d)
conjunctiva
12.

A clear fluid that helps the cornea keep its rounded shape

a)

aqueous humor

b)

blind spot

c)

cones

d)

cornea

13.

The thick, tough, white outer covering of the eyeball.

a)

pupil

b)

retina

c)

rods

d)

sclera

14.

The colorful, shiny material located behind the retina. Found in animals with good night vision, the ________ reflects light back through the retina.

a)

tapetum

b)

vitreous humor

15.
What is the neuron found only in the spinal cord?
a)
Relay
b)
Sensory
c)
Motor
d)
Reflex
16.
What are the main parts of the Central Nervous System?
a)
Brain & Chest
b)
Spinal Cord & Spinal Nerves
c)
Brain & Spinal Cord
d)
Heart & Brain
17.
In this picture, the red line represents a(n)
a)
motor neuron
b)
sensory neuron
c)
receptor
d)
interneuron
18.
In this picture, the blue line represents a(n)
a)
interneuron
b)
motor neuron
c)
sensory neuron
d)
effector
19.
This picture is an example of a
a)
Nerve Impulse
b)
Reflex Arc
c)
Neural Arc
d)
Cerebral Processing
20.
Neurons that transmit impulses to the CNS are called
a)
neuoglia
b)
sensory
c)
efferent
d)
association
21.
The gap that a message has to cross to get from one neuron to the other is called the _____
a)
synapse
b)
dendrite
c)
axon
d)
nucleus 
22.
_____ neurons carry  messages away from the central nervous system.
a)
Motor
b)
Inter
c)
Sensory
d)
Flower
23.
Label the Neuron-What does the letter "C" represent?
a)
Cell Body
b)
Dendrite
c)
Axon Terminal
d)
Myelin Sheath
24.
Label the Neuron-What does the letter "E" represent?
a)
Schwann Cell
b)
Node of Ranvier
c)
Axon Terminal
d)
Myelin Sheath
25.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body