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The Eye

Total questions: 45

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

The white portion of the eye

a)

Cornea

b)
Sclera
c)

Choroid

d)
Retina
2.

What is letter B?

a)

Optic nerve

b)

Lens

c)

Cornea

d)

Retina

e)

Pupil

3.
What is letter E?
a)
Vitreous humor
b)
Retina
c)
Cornea
d)
Optic nerve
4.

What is letter G?

a)

Sclera

b)

Retina

c)

Lens

d)

Vitreous humor

e)

Pupil

5.

What is letter I?

a)

Cornea

b)

Lens

c)

Vitreous humor

d)

Optic nerve

e)

Pupil

6.

Nearsightedness is also known as

a)
Myopia
b)

Hyperopia

c)
Presbyopia
d)

Emmetropia

7.

Farsightedness is also known as

a)
Myopia
b)

Hyperopia

c)
Presbyopia
d)

Emmetropia

8.

The extrinsic muscles are attached to the  

a)
Cornea 
b)
Optic Nerve
c)
Sclera
d)
Lens
9.

Rods are light sensitive cells in the retina that

a)

give you color vision in dim light

b)

respond in dim light

c)

give you color vision in bright light

d)

respond in bright light

10.

Cones are light sensitive cells in the retina that

a)

give you color vision in bright light

b)

respond in dim light

c)

give you color vision in dim light

d)

respond in bright light

11.

The optic nerve transmits signals to the

a)

temporal lobe

b)

parietal lobe

c)

occipital lobe

d)

frontal lobe

12.

True/False: The vitreous humor helps give the cornea its rounded shape.

a)

True

b)

False

13.

The pupil is located at the center of the

a)

sclera

b)

iris

c)

retina

d)

nothing

14.

What are the functions of eyelids and eyelashes

a)

to protect and rehydrate the eyes

b)

keep dirt out of the eyes

c)

keep debris out of the eys

d)

all of the above

15.

The human eye is surrounded by how many muscles?

a)

4

b)

2

c)

6

d)

5

16.

Area of the retina which contains no photoreceptors and is located over the optic nerve

a)

fovea centralis

b)

blind spot

c)

pupil

d)

iris

17.

The white outer part of the eye.

a)

Cornea

b)

Lens

c)

Sclera

d)

Retina

18.

Rods are light sensitive cells in the retina that

a)

Give you color vision

b)

See black, white, and shades of grey

19.

The clear part of the eye that light will first pass through.

a)

Lens

b)

Cornea

c)

Sclera

d)

Pupil

20.

This part of the eye focuses light onto the retina.

a)

Retina

b)

Iris

c)

Lens

d)

Pupil

21.

Cones are light sensitive cells in the retina that

a)

Give you color vision

b)

See black, white, and shades of grey

22.

Photosensitive part of the eye that contains rods and cones.

a)

Sclera

b)

Retina

c)

Optic Nerve

d)

Choroid

23.

In a bright environment, the pupil becomes larger to allow more light to enter the eye.

a)
True
b)
False
24.
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
25.

#3 Refers to

a)

Cornea

b)

Pupil

c)

Retina

d)

Iris

26.

#1 Refers to

a)

Retina

b)

Cornea

c)

Pupil

d)

Iris

27.

#2 refers to

a)

optic nerve

b)

cornea

c)

iris

d)

pupil

28.

gel substance that gives the eye shape

a)

optic nerve

b)

iris

c)

vitreous humor

d)

retina

29.

A person's "eye color" is really the color of their ______.

a)

conjunctiva

b)

pupil

c)

sclera

d)

iris

30.

Structure B bends and adjusts to focus light on the back of the eye.


Structure B is the ______.

a)

aqueous humor

b)

lens

c)

vitreous humor

d)

optic nerve

31.

Structure D carries visual information from the eye to the occipital lobe of the brain for processing.


Structure D is the ______.

a)

aqueous humor

b)

lens

c)

vitreous humor

d)

optic nerve

32.

Which fluid fills chamber A (the anterior chamber)?

a)

aqueous humor

b)

vitreous humor

33.

Which fluid fills chamber B (the posterior chamber)?

a)

aqueous humor

b)

vitreous humor

34.

Name layers A, B, and C in that order (from outer layer to inner layer).

a)

choroid, retina, sclera

b)

retina, choroid, sclera

c)

sclera, retina, choroid

d)

sclera, choroid, retina

35.

The ____ gland produces and releases tears.

a)

tarsal

b)

conjunctiva

c)

lacrimal

d)

ciliary

36.

The _____ is the transparent mucous membrane that lines the eyelids and covers the anterior surface of the eye up to the cornea.

a)

lacrimal apparatus

b)

tarsal gland

c)

aqueous humor

d)

conjunctiva

37.

The ______ is the opening in the iris through which light enters the eye.

a)

ciliary body

b)

conjunctiva

c)

lens

d)

pupil

38.

The ______ is the colored part of the eye that opens and closes to adjust the amount of light that enters the eye.

a)

pupil

b)

iris

c)

conjunctiva

d)

lens

39.

The fluid that cleanses, protects, moistens, and lubricates the eye is _____

a)

conjunctiva

b)

aqueous fluid

c)

lacrimal fluid (tears)

d)

vitreous fluid

40.

Cells that respond to light stimuli are _____.

a)

choroid

b)

photoreceptors

c)

optic discs

d)

sclera

41.

The _____ allow your eyes to move.

a)

extrinsic eye muscles

b)

eyelids

c)

intrinsic eye muscles

d)

eyelashes

42.

The __________ is the innermost layer of the eye that contains sensory receptors that respond to light.

a)

iris

b)

retina

c)

pupil

d)

occipital lobe

43.

The _______ is the flexible, biconvex structure that focuses light.

a)

retina

b)

lens

c)

pupil

d)

iris

44.

The _______ is the area of sharpest vision on the retina

a)

Fovea centralis

b)

Lens

c)

Optic disc

d)

Pupil

45.

The _________ is the middle layer of the eye, between the sclera and the retina.

a)

choroid

b)

vitreous humor

c)

cornea

d)

pupil