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Cow Eye Dissection - Pre-Lab

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

Identify #1

a)

Choroid

b)

Cornea

c)

Pupil

d)

Sclera

2.

Identify #2

a)

Choroid

b)

Cornea

c)

Pupil

d)

Sclera

3.

Identify #3.

a)

Choroid

b)

Ciliary Body

c)

Optic Nerve

d)

Tapetum Lucidum

4.

Identify #4.

a)

Ciliary Body

b)

Iris

c)

Pupil

d)

Tapetum Lucidum

5.

Identify #5.

a)

Ciliary Body

b)

Iris

c)

Pupil

d)

Tapetum Lucidum

6.

Identify # 11.

a)

Iris

b)

Lens

c)

Pupil

d)

Retina

7.

A clear fluid that fills the space between the lens and the cornea. It carries nutrients to the cornea because the cornea has not blood supply and it helps the CORNEA keep its rounded shape..

a)

aqueous humor

b)

vitreous humor

c)

sclera

d)

choroid coat

8.

The place where all nerves from the retina join to form the optic nerve. Each eye has a _____ _____ where there are no light-sensitive cells

a)

aqueous humor

b)

blind spot

c)

cones

d)

cornea

9.

One kind of light-sensitive or photoreceptor cells in the retina. These receptors are for color.

a)

rods

b)

blind spot

c)

cones

d)

cornea

10.

A muscle that controls how much light enters the eye. It is suspended between the cornea and the lens. Human ________ come in many colors, including brown, blue, green, and gray.

a)

iris

b)

lens

c)

myelin

d)

optic nerve

11.

A clear flexible structure that allows light to pass through it and focuses light on the retina. The _____ is flexible so that it can change shape, focusing on objects that are close up and objects that are far away.

a)

iris

b)

lens

c)

pupil

d)

choroid coat

12.

The bundle of nerve fibers that carry information from the retina to the brain.

a)

iris

b)

lens

c)

myelin

d)

optic nerve

13.

The _________ is the dark circle in the center of your iris. It’s a hole that lets light into the inner eye.

a)

pupil

b)

retina

c)

rods

d)

sclera

14.

The layer of light-sensitive cells at the back of the eye that detects images focused by the cornea and the lens. It is connected to the brain by the optic nerve.

a)

pupil

b)

retina

c)

choroid coat

d)

sclera

15.

The thick, tough, white outer covering of the eyeball. This connective tissue maintains the shape of the eyeball and protects the inside of the eye.

a)

retina

b)

cornea

c)

choroid coat

d)

sclera

16.

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

c)

choroid coat

d)

cornea

17.

Which is the correct order of how light passes through the eye?

a)

cornea - pupil - lens - retina - optic nerve - brain

b)

optic nerve - brain - cornea - pupil - lens - retina

c)

lens - retina - cornea - pupil - optic nerve - brain

d)

pupil - cornea - lens - retina - optic nerve - brain

18.

What it eh correct order of layers of the eye from OUTER layer to inner layer?

a)

sclera - choroid coat - retina

b)

retina - choroid coat - sclera

c)

choroid coat - sclera - retina

19.

Muscles attached to the lens that change the shape of the LENS for focus (near/far sight)

a)

pupil

b)

ciliary processes

c)

iris

d)

sclera

20.

This dark layer of the eye is located behind the retina. It prevents light from scattering and is richly supplied with blood vessels that supply nutrients to the eye.

a)

sclera

b)

vitreous humor

c)

retina

d)

choroid coat