Quiz about Eyes and Vision

Question 1

Which part of the eye opens in dark places and closes in bright places?

Accepted Answer

Pupil

Answer

Cornea

Answer

Retina

Answer

Lens

Question 2

Which part of the eye contains light sensitive nerves?

Accepted Answer

Retina

Answer

Cornea

Answer

Lens

Answer

Vitreous Humor

Question 3

Thin fold of skin that covers and protects the eye.

Accepted Answer

Eyelid

Answer

Sclera

Answer

Human Lens

Answer

Optic Nerve

Question 4

What is letter B

Accepted Answer

Retina

Answer

Optic nerve

Answer

Lens

Answer

Cornea

Question 5

What is letter G?

Accepted Answer

Lens

Answer

Sclera

Answer

Retina

Answer

Vitreous humor

Question 6

This part of the eye sends messages to the brain

Accepted Answer

optic nerve

Answer

rods

Answer

retina

Answer

cones

Question 7

what is the iris

Accepted Answer

the colored part of the eye that controls the size of the pupil

Answer

Transparent jellylike fluid that fills the eye and refracts light.

Answer

Sends messages picked up by the retina to the brain

Answer

Hole passes different amounts of light

Question 8

it is transparent part of the eye that covers iris

Accepted Answer

cornea

Answer

sclera

Answer

retina

Answer

pupil

Question 9

This layer consists of sclera and cornea

Accepted Answer

outer layer

Answer

inner layer

Answer

middle layer

Answer

no answer

Question 10

This layer consists of sclera and cornea

Accepted Answer

outer layer

Answer

inner layer

Answer

middle layer

Answer

no answer

Question 11

what doctor is treating eye diseases?

Accepted Answer

ophthalmologist

Answer

dentist

Answer

dermatologist

Answer

surgeon

Question 12

Which part of the eye absorbs light from the sides of the eye?

Accepted Answer

choroid

Answer

lens

Answer

ciliary body

Answer

pupil

Question 13

What part of the eye has the highest concentration of rods and cones?

Accepted Answer

fovea centralis

Answer

optic nerve

Answer

optic disk

Answer

iris

Question 14

Which part of the eye is the outer white part of the eye?

Accepted Answer

sclera

Answer

cornea

Answer

iris

Answer

ciliary body

Question 15

What part of the eye has NO photoreceptors

Accepted Answer

optic disk

Answer

fovea centralis

Answer

retina

Question 16

What part of the eye is a clear protective structure that allows light to enter the eye?

Accepted Answer

cornea

Answer

iris

Answer

retina

Answer

choroid

Question 17

What part of the eye sits on the outer surface of the cornea and lines the eyelids. This structure produces mucous

Accepted Answer

conjunctiva

Answer

iris

Answer

lens

Answer

retina

Question 18

Type of photoreceptor that functions in low light and creates shades of gray

Accepted Answer

rod

Answer

retina

Answer

cone

Answer

choroid

Question 19

What part of the eye controls lens shape?

Accepted Answer

ciliary body

Answer

choroid

Answer

lens

Answer

iris

Question 20

The anterior liquid portion of the eye

Accepted Answer

aqueous humor

Answer

cornea

Answer

pupil

Answer

iris

Question 21

Light entering the eye is focused behind the retina instead of directly on it, objects close to the eye look blurry

Accepted Answer

near sighted

Answer

far sighted

Answer

cataract

Answer

astigmatism

Question 22

People with this type of vision can see things clearly when they are up close, but things are blurry far away.

Accepted Answer

myopia

Answer

presbyopia

Answer

hypermetropia

Answer

color blindness

Question 23

Sequence of eye covering (outer to inner) is .............. .

Accepted Answer

Sclera, Choroid, Retina

Answer

Sclera, Retina, Choroid

Answer

Retina, Choroid, Sclera

Answer

Retina, Sclera, Chorid

Question 24

Which of these is the function of structure pictured?

Accepted Answer

Gives the eye its overall shape

Answer

Moves the lens by contracting and/or relaxing

Answer

Provides oxygen and nourishment to the anterior chamber

Answer

Carries electrical impulses away from the eye to the brain

Question 25

Move the entire eyeball around

Accepted Answer

Extrinsic Eye Muscles

Answer

Ciliary Body

Answer

Suspensory Ligaments

Answer

Optic Nerve

Answer

Iris

Question 26

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

Accepted Answer

Suspensory Ligaments

Answer

Ciliary Body

Answer

Extrinsic Eye Muscles

Answer

Optic Nerve

Answer

Iris

Question 27

White part of the fibrous tunic

Accepted Answer

sclera

Answer

Choroid coat

Answer

conjunctiva

Answer

iris

Question 28

Secretes tears

Accepted Answer

lacrimal gland

Answer

retina

Answer

sclera

Answer

iris

Question 29

Cells that make up the optic nerve

Accepted Answer

ganglion neurons

Answer

cones

Answer

rods

Answer

bipolar neurons

Question 30

neurons that synapse with the photoreceptors and the ganglion neurons

Accepted Answer

bipolar neurons

Answer

cones

Answer

rods

Answer

rhodopsin

Question 31

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

Accepted Answer

accommodation

Answer

sensory adaptation

Answer

Transduction

Answer

globe luxation

Question 32

Which property of light allows you to see different colors?

Accepted Answer

Frequency and Wavelength

Answer

Amplitude and Frequency

Answer

Speed and Wavelength

Question 33

Proposed theory for color vision with opposing retinal process for red-green, yellow-blue, white-black.

Accepted Answer

opponent process theory

Answer

tri-chromatic theory

Answer

frequency theory

Question 34

Where does the optic nerve take the visual information?

Accepted Answer

To the Thalamus and then to the Occipital Lobe

Answer

to the Hippocampus and then to the Occipital Lobe

Answer

to the Hypothalamus and then to the Occipital Lobe

Answer

to the Cerebellum and then to the Occipital Lobe

Question 35

Which of the following is the correct order of the structures through which light passes after entering the eye?

Accepted Answer

Cornea, pupil, lens, retina

Answer

Lens, pupil, cornea, retina

Answer

Pupil, cornea, lens, retina

Answer

Cornea, retina, pupil, lens

Question 36

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

Accepted Answer

Green, red, and blue

Answer

Black, gray, and white

Answer

Blue, red, and yellow

Answer

Blue, green, and purple

Answer

Cyan, magenta, and yellow

Question 37

Which of the following is the correct progression of visual processing in the human eye?

Accepted Answer

rods and cones;  bipolar cells; ganglion cells; optic nerve

Answer

rods and cones; ganglion cells; bipolar cells; optic nerve

Answer

Bipolar cells; ganglion cells; rods; cones

Answer

Bipolar cells; rods and cones; ganglion cells; optic nerve

Question 38

For vision, transduction is the process by which

Accepted Answer

photoreceptors change electromagnetic energy into electrochemical energy.

Answer

photoreceptors change electrochemical energy into electromagnetic energy.

Answer

sensory information is sent to the brain via the optic nerve.

Answer

incoming sensory information is given meaning.

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