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Ch 8 The Eye

Total questions: 65

Worksheet time: 43mins

Name
Class
Date
1.

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

2.

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

3.

The optic nerve transmits signals to the

a)

temporal lobe

b)

parietal lobe

c)

occipital lobe

d)

frontal lobe

4.

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

a)

True

b)

False

5.

The pupil is located at the center of the

a)

sclera

b)

iris

c)

retina

d)

nothing

6.

The vitreous humor is

a)

gel like and gives the eyeball its shape

b)

watery and gives the eyeball its shape

7.

The blind spot is created by the

a)

retina

b)

optic nerve leaving the eye through the retina

c)

nothing; we don't have one

8.

The sclera is designed for

a)

strength

b)

clarity

9.

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

10.

The human eye is surrounded by how many muscles?

a)

4

b)

2

c)

6

d)

5

11.

What enters the eyes so you can see?

a)

air

b)

dust

c)

light

d)

blood

12.

The white outer part of the eye.

a)

Cornea

b)

Lens

c)

Sclera

13.

The opening of the eye where light enters

a)

Retina

b)

Sclera

c)

Pupil

14.

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

a)

Lens

b)

Cornea

c)

Sclera

15.

This part of the eye focuses light onto the retina.

a)

Retina

b)

Optic Nerve

c)

Lens

16.

Photosensitive part of the eye that contains rods and cones.

a)

Sclera

b)

Retina

c)

Optic Nerve

17.

This part of the eye sends signals from the retina to the visual cortex.

a)

Optic Nerve

b)

Retina

c)

Iris

18.
In a bright environment, pupil becomes larger to allow more light entering the eye.
a)
True
b)
False
19.
Cornea is abnormally curved, causes blurry vision because it is unable to focus.
a)
Temporarily Blind 
b)
Blindness
c)
Eye
d)
Astigmatism
20.
Nearsightedness is also known as ....
a)
Myopia
b)
Hyperpopia
c)
Presbyopia
d)
none of the above
21.
An increase in ocular pressure may develop into _________ for a patient. The patient may have mild visual disturbances and little to no pain.
a)
cataract
b)
glaucoma
c)
conjunctivitis
d)
astigmatism
22.
What supports the eyeball and provides attachment for muscles? 
a)
Cornea 
b)
Optic Nerve
c)
Sclera
d)
Lens
23.
Clouding, of the normally clear lens, in the eye.
a)
Alzheimer's disease
b)
Organ procurement
c)
Spina bifida
d)
Cataract
24.

Which of these is located between the cornea and lens, maintains the convex shape of the cornea with its pressure, provides nutrition for ocular tissues, and carries away the waste from said tissues?

a)

Cornea

b)

Aqueous Humour

c)

Vitreous Humour

d)

Conjuctiva

25.

Identify the refractive error.

a)

Presbyopia

b)

Myopia

c)

Hypermetropia

d)

Astigmatism

26.

Tears are produced by the ______________ located in the _________ part of the _________ eyelid.

a)

lacrimal sac, medial, upper

b)

lacrimal sac, lateral, upper

c)

lacrimal gland, medial, upper

d)

lacrimal gland, lateral, upper

27.

The anterior segment includes the cornea. Which characteristic distinguishes the cornea from other tissues:

a)

it produces tears

b)

it has a lack of blood vessels

c)

it drains the tears

d)

none of the above

28.

The small compartment between the cornea and the iris is called the __________________________.

a)

tear lake

b)

Canal of Schlemm

c)

lacrimal sac

d)

anterior chamber

29.

The clear, jelly-like substance that fills the intraocular cavity behind the lens is _______________________.

a)

aqueous humor

b)

vitreous

c)

goblet cells

d)

none of the above

30.

Where do the 2 optic nerves meet behind the eyes in the brain?

a)

optic chiasm

b)

visual cortex

c)

frontal lobe

d)

trabecular meshwork

31.

Structure E is the liquid called _________.

a)

Aqueous humor

b)

Vitreous humor

c)

Lens

d)

Cornea

32.

Structure K is the _________.

a)

Fovea centralis

b)

Retina

c)

Lens

d)

Cornea

33.

Structure F is the _________.

a)

Sclera

b)

Retina

c)

Lens

d)

Cornea

34.

Structure B is the _________.

a)

Sclera

b)

Choroid

c)

Lens

d)

Cornea

e)

Ciliary body

35.

Structure J is the _________.

a)

Sclera

b)

Choroid

c)

Retina

d)

Cornea

e)

Ciliary body

36.

Structure C is the _________.

a)

Sclera

b)

Iris

c)

Retina

d)

Cornea

e)

Ciliary body

37.

Structure H is the _________.

a)

Sclera

b)

Iris

c)

Retina

d)

Cornea

e)

Ciliary body

38.

Structure L is the _________.

a)

Sclera

b)

Iris

c)

Retina

d)

Optic nerve

e)

Choroid

39.

Structure A is the _________.

a)

Lacrimal gland

b)

Inferior meatus

c)

Lacrimal sac

d)

Lacrimal canaliculus

40.

Structure C is the _________.

a)

Lacrimal gland

b)

Inferior meatus

c)

Lacrimal sac

d)

Lacrimal canaliculus

41.

Structure G is the _________.

a)

Lacrimal gland

b)

Inferior meatus

c)

Lacrimal sac

d)

Lacrimal canaliculus

42.

Structure F is the _________.

a)

Nostril

b)

Inferior meatus

c)

Lacrimal sac

d)

Lacrimal canaliculus

43.

Structure i is the _________.

a)

Sclera

b)

Iris

c)

Retina

d)

Cornea

e)

Choroid

44.

Which of the following are part of the fibrous layer of the eye? Mark all that apply

a)

Cornea

b)

Sclera

c)

Optic nerve

d)

Retina

45.

Which of the following separates the anterior chamber of the eye from the posterior chamber of the eye?

a)

Lens

b)

Cornea

c)

Iris

d)

Vitreous humor

46.

Eye with vision in which the image focuses in front of the retina since the eye is too long.

a)

Emmetropia

b)

Hyperopia

c)

Myopia

d)

Astigmatism

47.

Which of the following is an eye with vision in which the image focuses beyond the retina since the eye is too short?

a)

Emmetropia

b)

Hyperopia

c)

Myopia

d)

Astigmatism

48.

This disorder is known as farsightedness.

a)

Emmetropia

b)

Hyperopia

c)

Myopia

d)

Astigmatism

49.

This term refers to a normal eye with normal vision.

a)

Emmetropia

b)

Hyperopia

c)

Myopia

d)

Astigmatism

50.

The fibrous layer is made up of the _________ and ________. Choose both answers.

a)

Cornea

b)

Retina

c)

Sclera

d)

Choroid coat

e)

Iris

51.

Structure G is the _________.

a)

Sclera

b)

Vitreous humor

c)

Retina

d)

Aqueous humor

e)

Anterior segment

52.

Controls the shape of the lens.

a)

Ciliary Body

b)

Extrinsic Eye Muscles

c)

Ciliary Zonules

d)

Optic Nerve

e)

Iris

53.

Move the entire eyeball around

a)

Ciliary Body

b)

Extrinsic Eye Muscles

c)

Ciliary Zonules

d)

Optic Nerve

e)

Iris

54.

Produces aqueous humor

a)

Ciliary Body

b)

Extrinsic Eye Muscles

c)

Ciliary Zonules

d)

Optic Nerve

e)

Iris

55.

Assist in holding the lens in an upright position so its shaped can be controlled

a)

Ciliary Body

b)

Extrinsic Eye Muscles

c)

Ciliary zonules

d)

Optic Nerve

e)

Iris

56.

Controls the size of the pupil

a)

Ciliary Body

b)

Extrinsic Eye Muscles

c)

Ciliary Zonules

d)

Optic Nerve

e)

Iris

57.

Allows light to bend into the eye from the outside environment

a)

Optic Nerve

b)

Fovea

c)

Lens

d)

Cornea

e)

Vitreous Humor

58.

Bends incoming light dramatically so that it can be focused on the retina

a)

Optic Nerve

b)

Fovea

c)

Lens

d)

Cornea

e)

Vitreous Humor

59.

Supports the posterior surface of the lens and holds the retina against the wall of the eye

a)

Cornea

b)

Vitreous Humor

c)

Sclera

d)

Aqueous Humor

e)

Choroid

60.

Nourishes the cornea and lens

a)

Aqueous Humor

b)

Ciliary Body

c)

Vitreous Humor

d)

Retina

e)

Choroid

61.

Nourishes the retina

a)

Aqueous Humor

b)

Ciliary Body

c)

Vitreous Humor

d)

Retina

e)

Choroid

62.
When excess aqueous humor puts too much pressure on the optic nerve
a)
Cataracts
b)
Glaucoma
c)
Myopia
d)
Astigmatism
63.
When proteins build up in the lens, causing cloudy vision
a)
Cataracts
b)
Glaucoma
c)
Astigmatism
d)
Myopia
64.
Area of the retina that doesn't contain any photoreceptors (your blind spot)
a)
Optic Nerve
b)
Optic Disc
c)
Ciliary body
d)
Cornea
65.

The cornea

a)

helps protect the eye

b)

begins bending light to make an image

c)

both of the above

d)

none of the above