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Unit 4 Exam Prep L4-L5

Total questions: 115

Worksheet time: 2hrs 30mins

Name
Class
Date
1.
What part of the eye is this?
a)
sclera
b)
choroid
c)
retina
d)
ciliary body
2.
What part of the eye is this?
a)
cornea
b)
lens
c)
iris
d)
cilicary body
3.
What part of the eye is this?
a)
iris
b)
lens
c)
cornea
d)
retina
4.
What is the fluid in this portion of the eye called?
a)
aqeous humor
b)
otic humor
c)
vitreous humor
d)
oris humor
5.
What part of the eye is this?
a)
choroid 
b)
sclera 
c)
cornea
d)
retina
6.
What type of fluid is found in this portion of the eye?
a)
aqueous humor
b)
otic humor
c)
vitreous humor
d)
oris humor
7.

What part is this?

a)

Lens

b)

Cornea

c)

Optic Nerve

d)

Auricle

8.

What part is this?

a)

Lens

b)

Sclera

c)

Pupil

d)

Iris

9.

What part is this?

a)

Retina

b)

Sclera

c)

Optic Nerve

d)

Anterior Chamber

10.

What part is this?

a)

Iris

b)

Sclera

c)

Retina

d)

Pupil

11.

Photosensitive part of the eye that contains rods and cones.

a)

Sclera

b)

Retina

c)

Optic Nerve

12.

1

(a)  

13.

2

(a)  

14.

3

(a)  

15.

4

(a)  

16.

5

(a)  

17.

6

(a)  

18.

7

(a)  

19.

8

(a)  

20.

9

(a)  

21.

10

(a)  

22.

11

(a)  

23.

12

(a)  

24.

13

(a)  

25.

14

(a)  

26.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
27.
What is letter E?
a)
Vitreous humor
b)
Retina
c)
Cornea
d)
Optic nerve
28.
What is letter F?
a)
Retina
b)
Pupil
c)
Vitreous humor
d)
Iris
29.
What is letter G?
a)
Sclera
b)
Retina
c)
Lens
d)
Vitreous humor
30.
What is letter H?
a)
Cornea
b)
Optic nerve
c)
Iris
d)
Retina
31.
What is letter I?
a)
Cornea
b)
Lens
c)
Vitreous humor
d)
Optic nerve
32.

Which part is #1?

a)

sclera

b)

cornea

c)

retina

d)

lens

33.

Which part is #2?

a)

iris

b)

cornea

c)

retina

d)

lens

34.

Which part is #3?

a)

sclera

b)

cornea

c)

retina

d)

lens

35.

Which part is #4?

a)

pupil

b)

iris

c)

cornea

d)

lens

36.

Which part is #5?

a)

pupil

b)

iris

c)

cornea

d)

lens

37.

Which part is #6?

a)

sclera

b)

cornea

c)

retina

d)

lens

38.

Which part is #7?

a)

sclera

b)

optic nerve

c)

cornea

d)

retina

39.

#3 Refers to the circular structure that surrounds the pupil and regulates the amount of light entering the eye.

a)

Cornea

b)

Pupil

c)

Retina

d)

Iris

40.

#1 Refers to the clear tissue that covers the front of the eye

a)

Retina

b)

Cornea

c)

Pupil

d)

Iris

41.

#2 refers to

a)

optic nerve

b)

cornea

c)

iris

d)

pupil

42.

#7 Refers to the part of the eye that carried visual information from the eyeball to the brain

a)

lens

b)

optic nerve

c)

retina

d)

sclera

43.

# 5 refers to the layer of receptor cells at the back of the eye in which the image is focused

a)

Retina

b)

Lens

c)

Optic Nerve

d)

Lens

44.

Identify # 1

a)

cornea

b)

iris

c)

lens

d)

retina

45.

Identify #4

a)

cornea

b)

iris

c)

lens

d)

pupil

46.

Identify #5

a)

cornea

b)

iris

c)

lens

d)

retina

47.

Identify #7

a)

cornea

b)

optic nerve

c)

lens

d)

retina

48.

When light hits the retina, the _________ are stimulated.

a)

sclera

b)

optic disk

c)

photoreceptors

d)

choroid coat

49.

Sensory neurons in the retina send ____________ which are routed to the visual cortex in the occipital lobe of the brain.

a)

action potentials

b)

blind spots

c)

light waves

d)

accomodations

50.

In order to see clearly, light rays must be bent to hit the ______ of the retina.

a)

blind spot

b)

optic disk

c)

fovea centralis

d)

focal point

51.

Light waves are bent first by the ______.

a)

cornea

b)

aqueous humor

c)

lens

d)

vitreous humor

52.

If an object moves closer than the far point of vision, which is NOT one of the three reflexes that must occur to bring the image to proper focus?

a)

Accommodation of the lens

b)

Relaxing ciliary muscles

c)

convergence of the eyes

d)

constriction of the pupil

53.

It lets light enter the eye

a)

iris

b)

retina

c)

pupil

54.

When you are looking at something up close, this reflex occurs to reduce the amount of light entering eye.

a)

blind spot

b)

Accommodation

c)

pupil constriction

d)

somatic reflex arc

55.
What part of the eye has the highest concentration of rods and cones?
a)
optic nerve
b)
fovea centralis
c)
optic disk
d)
iris
56.

Which of the following is not one of the three layers of the eye?

a)

Vascular

b)

Cartilage

c)

Fibrous

d)

Nervous

57.

Which of the following extrinsic muscles is responsible for rotating the eye downward and towards the midline?

a)

Superior Rectus

b)

Inferior Rectus

c)

Inferior Oblique

d)

Superior Oblique

58.

Which of the following muscles rotates the eye upward and away from the midline?

a)

Superior Rectus

b)

Inferior Rectus

c)

Superior Oblique

d)

Inferior Oblique

59.

Identify the structure in the picture.

a)

Retina

b)

Choroid

c)

Sclera

d)

Tapetum Lucidum

60.

The axons of retinal nerves form...

a)

Optic Nerves

b)

Optic Tracts

c)

Optic Radiations

d)

Optic Chiasma

61.

Dim light causes the pupil to:

a)

Dilate

b)

Constrict

c)

Stay the same

d)

No

62.

What are the six extraocular muscles that control the movement of the eye?

a)

Rectus muscles (superior, inferior, medial, and lateral) and the oblique muscles (superior and inferior)

b)

Front, back, left, and right muscles

c)

Upper, lower, middle, and side muscles

d)

Circular, spiral, diagonal, and vertical muscles

63.

Which eye muscle is responsible for moving the eye inward towards the nose?

a)

Lateral rectus muscle

b)

Superior rectus muscle

c)

Medial rectus muscle

d)

Inferior rectus muscle

64.

What is the function of the superior rectus muscle?

a)

Elevating the eye and rotating it medially

b)

Depressing the eye and rotating it laterally

c)

Closing the eye and protecting it from foreign objects

d)

Moving the eye in a circular motion

65.

Which eye muscle is responsible for moving the eye downward and inward?

a)

Inferior oblique muscle

b)

Lateral rectus muscle

c)

Superior oblique muscle

d)

Superior rectus muscle

66.

What is the role of the inferior oblique muscle in eye movement?

a)

No role in eye movement

b)

Upward and outward movement of the eye

c)

Downward and inward movement of the eye

d)

Side to side movement of the eye

67.

What is the function of the lateral rectus muscle?

a)

Moving the eye up and down

b)

Widening the eye

c)

Abducting the eye

d)

Closing the eye

68.

Which eye muscle is responsible for moving the eye upward and outward?

a)

Medial rectus muscle

b)

Inferior rectus muscle

c)

Superior rectus muscle

d)

Lateral rectus muscle

69.

What is the function of the medial rectus muscle?

a)

To move the eye up and down.

b)

To move the eye outward away from the nose.

c)

To move the eye inward towards the nose.

d)

To control blinking.

70.

What is the role of the inferior rectus muscle in eye movement?

a)

Sideways movement of the eye

b)

No role in eye movement

c)

Downward movement and inward rotation of the eye

d)

Upward movement and outward rotation of the eye

71.

Which eye muscle is responsible for moving the eye upward and inward?

a)

Medial rectus muscle

b)

Inferior oblique muscle

c)

Lateral rectus muscle

d)

Superior rectus muscle

72.

What is the correct path of light through the eye?

a)

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

b)

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

c)

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

d)

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

73.

What is the correct order of layers of the eye from the outside to inside?

a)

sclera - retina - choroid coat

b)

choroid coat - sclera - retina

c)

retina - choroid coat - sclera

d)

sclera - choroid coat - retina

74.

A light - sensitive layer of tissue at the back of the eye that turns light into

electrical signals.

a)

Retina

b)

Macula

c)

Photoreceptors

d)

Optic Nerve

e)

Lens

75.

Receives light from the lens, converting it to neural signals and transmitting them to the brain for visual recognition.

a)

Pupil

b)

Retina

c)

Cornea

d)

Sclera

76.

Changes the direction of the light rays in which light enters the eye

a)

Pupil

b)

Iris

c)

Lens

d)

Cornea

e)

Sclera

77.

Regulates the amount of light entering the eye. Focuses light rays on the retina.

a)

Retina

b)

Sclera

c)

Iris

d)

Macula

78.

Focuses the light rays that pass through it and changes focal distance of the eye

a)

Lens

b)

Sclera

c)

Choroid

79.

Changes the shape of the lens when the eye focuses. It also makes the clear fluid that fills the space between the cornea and the iris.

a)

Ciliary Body

b)

Vitreous

c)

Macula

d)

Choroid

80.

Maintains shape of eye, ensures it's attached to retina, also helps with vision clarity

a)

Vitreous

b)

Macula

c)

Optic Nerve

81.
What part of the eye allows us to see color?
a)
cones
b)
rods
c)
iris
d)
eyeball
82.
Gathers information about color, shape, and size of eye and sends to the optic nerve.
a)
optic nerve
b)
Retina
c)
Neuron
d)
cornea
83.
As the football game continued into the night, Leondre noticed that he was having difficulty distinguishing the colors of the players' uniforms. This is because the _______________, which enable color vision, have a _______________ absolute threshold for brightness than the available light intensity.
a)
Rods; higher
b)
Cones; higher
c)
Rods; lower
d)
Cones; lower
84.
Receptors for Visual Processing, Detect Black, white and gray, important in dim light
a)
Rods
b)
Feature Detectors
c)
Bipolar Cells
d)
Occipital Cells
85.

In the human eye, rods are to _________, as cones are to ________.

a)

light/ color

b)

color/ light

c)

monochromat/ dichromat

d)

dichromat/ monochromat

e)

lens/ iris

86.

What three primary colors of light are detected by your cones?

a)

Green, red, and blue

b)

Black, gray, and white

c)

Blue, red, and yellow

d)

Blue, green, and purple

e)

Cyan, magenta, and yellow

87.

Which part of the retina is responsible for the highest visual acuity?

a)

Optic disc

b)

Fovea

c)

Peripheral retina

d)

Macula

88.

What is the role of optical pigments in photoreceptors?

a)

To transmit nerve signals

b)

To absorb light and initiate a chemical change

c)

To provide structural support

d)

To supply nutrients

89.

How do rods and cones differ in their connection to the optic nerve?

a)

Rods connect directly, cones do not

b)

Cones connect directly, rods do not

c)

Rods share connections, cones have individual connections

d)

Both have the same type of connections

90.

What is the main function of the optic nerve in vision?

a)

To focus light onto the retina

b)

To transmit visual information to the brain

c)

To adjust the size of the pupil

d)

To supply blood to the retina

91.

purple pigment found in rods

a)

glaucoma

b)

rhodopsin

c)

melanin

d)

carotene

92.

The process when the lens changes shape to focus close or far away

a)

sensory adaptation

b)

accommodation

c)

Transduction

d)

globe luxation

93.

What happens to the iris muscles when there is dim light?

a)

The radial muscles contract & the circular muscles relax

b)

The circular muscles contract and the radial muscles relax

94.

What happens to the iris muscles when there is a high light intensity?

a)

The radial muscles contract and the circular muscles relax

b)

The circular muscles contract and the radial muscles relax

95.

The rods and cones contain optical pigments that absorb light and then break down.

Rod cells contain __________?

Cone cells contain _________?

a)

Rod cells contain iodopsin and cones contain rhodopsin

b)

Rod cells contain rhodopsin and cones contain iodopsin

96.

The change in direction of a wave as it changes speed while moving from one medium to another.

a)

refraction

b)

redirection

c)

absorption

d)

reflection

97.

A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens?

a)

A

b)

B

c)

A and B

d)

neither A or B

98.

In order to see clearly, light rays must be bent to hit the ______ of the retina.

a)

blind spot

b)

optic disk

c)

fovea centralis

d)

focal point

99.

If an object moves closer than the far point of vision, which is NOT one of the three reflexes that must occur to bring the image to proper focus?

a)

Accommodation of the lens

b)

Relaxing ciliary muscles

c)

convergence of the eyes

d)

constriction of the pupil

100.

When you are looking at something up close, this reflex occurs to reduce the amount of light entering eye.

a)

blind spot

b)

Accommodation

c)

pupil constriction

d)

somatic reflex arc

101.

When the brain detects that the tension in the eye muscles is changing as the eyes rotate inwards

a)

convergence

b)

Monocular depth cue

c)

accommodation

d)

retinal disparity

102.
What part of the eye has the highest concentration of rods and cones?
a)
optic nerve
b)
fovea centralis
c)
optic disk
d)
iris
103.

To focus on objects up close, what must the eye do?

a)

accommodation

b)

convergence

c)

pupil constriction

d)

pupil dilation

104.

Which muscle will allow the eye to look down and away?

a)

#1, the superior oblique

b)

#4, the superior oblique

c)

#1, the superior rectus

d)

#4, the superior rectus

105.

Assuming this is the right eye, identify #1.

a)

superior rectus

b)

inferior rectus

c)

medial rectus

d)

lateral rectus

106.

Select all of the protective features of they eye.

a)

eyebrows

b)

eyelids

c)

eyelashes

d)

lacrimal glands

e)

bony orbit

107.

This defect is caused due to elongation of eye ball.

a)
Myopia
b)

Hyperopia

c)

Astigmatism

d)

Presbyopia

108.

This defect of the eye is caused by hardening or loss of elasticity of the lens due to age.

a)

Myopia

b)

Hypermetropia

c)

Presbyopia

d)

Astigmatism

109.

This problem arises due to a build-up of fluid in the eyeball which puts pressure on the optic nerve.

a)

glaucoma

b)

myopia

c)

cataract

d)

hypermetropia

110.
Clouding, of the normally clear lens, in the eye.
a)
Alzheimer's disease
b)
Organ procurement
c)
Spina bifida
d)
Cataract
111.
What is this picture an example of?
a)
Colorblindness
b)
Myopia
c)
Hyperopia
d)
Glaucoma
112.
Cornea is abnormally curved, causes blurry vision because it is unable to focus.
a)
Temporarily Blind 
b)
Blindness
c)
Eye
d)
Astigmatism
113.
Usually occurs after age 40 -Lens hardens, can’t focus on close objects 
a)
myopia
b)
hyperopia
c)
astigmatism
d)
presbyopia 
114.
What happens when you are color blind?
a)
You can't tell the difference of red and green colors
b)
you can't see black and white colors
c)
You can't see anything
115.
What fact about color blindness is true?
a)
It is more common in men
b)
African American people have it more.
c)
it is equal in everybody.
d)
It is more common in women.

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