Question 1

Photoreceptors absorb light in their

Accepted Answer

A)  axons. 
B)  dendrites. 
C)  outer segments. 
D)  inner segments. 
A)  axons. 
B)  dendrites. 
C)  outer segments. 
D)  inner segments.

Question 2

The amplitude of a light wave is encoded as _____________,while the wavelength of a light wave is encoded as ___________________.

Accepted Answer

A)  brightness;color 
B)  color;brightness 
C)  saturation;reflection 
D)  hue;saturation 
A)  brightness;color 
B)  color;brightness 
C)  saturation;reflection 
D)  hue;saturation

Question 3

Amacrine cells communicate directly with

Accepted Answer

A)  photoreceptors and bipolar cells. 
B)  photoreceptors and ganglion cells. 
C)  horizontal cells and bipolar cells. 
D)  bipolar cells,ganglion cells,and other amacrine cells. 
A)  photoreceptors and bipolar cells. 
B)  photoreceptors and ganglion cells. 
C)  horizontal cells and bipolar cells. 
D)  bipolar cells,ganglion cells,and other amacrine cells.

Question 4

Information from the left half of the visual field is processed by

Accepted Answer

A)  the left eye and the left occipital cortex. 
B)  both the right and left occipital cortices. 
C)  both eyes and the right hemisphere occipital cortex. 
D)  both eyes and the left hemisphere occipital cortex. 
A)  the left eye and the left occipital cortex. 
B)  both the right and left occipital cortices. 
C)  both eyes and the right hemisphere occipital cortex. 
D)  both eyes and the left hemisphere occipital cortex.

Question 5

Longer wavelengths,such as microwaves,would not make a good basis for a visual system because

Accepted Answer

A)  most longer wavelengths are blocked by the earth's atmosphere. 
B)  they travel at too slow a speed. 
C)  they are too abundant at the earth's surface to be useful in vision. 
D)  long wavelengths penetrate objects instead of being reflected from them. 
A)  most longer wavelengths are blocked by the earth's atmosphere. 
B)  they travel at too slow a speed. 
C)  they are too abundant at the earth's surface to be useful in vision. 
D)  long wavelengths penetrate objects instead of being reflected from them.

Question 6

The lateral geniculate nucleus (LGN)

Accepted Answer

A)  does not show an antagonistic center-surround organization. 
B)  shows antagonistic center-surround organization that has the same strength as that found in the retina. 
C)  shows antagonistic center-surround organization that is weaker than that found in the retina. 
D)  shows antagonistic center-surround organization that is stronger than that found in the retina. 
A)  does not show an antagonistic center-surround organization. 
B)  shows antagonistic center-surround organization that has the same strength as that found in the retina. 
C)  shows antagonistic center-surround organization that is weaker than that found in the retina. 
D)  shows antagonistic center-surround organization that is stronger than that found in the retina.

Question 7

Bipolar cells receive input from

Accepted Answer

A)  photoreceptors only. 
B)  horizontal cells only. 
C)  photoreceptors and horizontal cells. 
D)  photoreceptors and ganglion cells. 
A)  photoreceptors only. 
B)  horizontal cells only. 
C)  photoreceptors and horizontal cells. 
D)  photoreceptors and ganglion cells.

Question 8

The lens obtains its nutrients from

Accepted Answer

A)  its own blood supply. 
B)  the aqueous humor. 
C)  the vitreous humor. 
D)  the blood supply of the iris. 
A)  its own blood supply. 
B)  the aqueous humor. 
C)  the vitreous humor. 
D)  the blood supply of the iris.

Question 9

Courtney suffered a corneal abrasion on one eye after she fell asleep with her hard contacts in place.When she asked her physician what to expect from her injury,the physician told her that

Accepted Answer

A)  she would no longer be able to see from that eye. 
B)  she would need strong pain medications,as the cornea has a high density of pain receptors. 
C)  she wouldn't need any pain medication,because the cornea lacks pain reception. 
D)  her binocular depth perception would no longer function normally. 
A)  she would no longer be able to see from that eye. 
B)  she would need strong pain medications,as the cornea has a high density of pain receptors. 
C)  she wouldn't need any pain medication,because the cornea lacks pain reception. 
D)  her binocular depth perception would no longer function normally.

Question 10

Stimulus rotation,expansion,and contraction appear to be processed by Area

Accepted Answer

A)  MT. 
B)  MST. 
C)  V4. 
D)  IT. 
A)  MT. 
B)  MST. 
C)  V4. 
D)  IT.

Question 11

What is the function of the cornea of the eye?

Accepted Answer

The cornea's curved

Question 12

The color of the iris is primarily a result of

Accepted Answer

A)  its blood supply. 
B)  its pigmentation. 
C)  the refraction of light by the anterior chamber. 
D)  the reflection of light from the retina. 
A)  its blood supply. 
B)  its pigmentation. 
C)  the refraction of light by the anterior chamber. 
D)  the reflection of light from the retina.

Question 13

Myopia (nearsightedness)usually occurs when the

Accepted Answer

A)  eye is elongated. 
B)  eye is shortened. 
C)  cornea is misshapen. 
D)  lens becomes clouded. 
A)  eye is elongated. 
B)  eye is shortened. 
C)  cornea is misshapen. 
D)  lens becomes clouded.

Question 14

Describe the opponent process theory.

Accepted Answer

Hering's opponent process theory suggest

Question 15

Amber's mom is in her mid-40s,and she's starting to complain about how long it takes her to see well when she shifts her vision from the speedometer of her car to the road ahead of her.It is likely that Amber's mom is experiencing age-related deficits in the ability of her lens to

Accepted Answer

A)  assimilate. 
B)  accommodate. 
C)  transduce. 
D)  laterally inhibit. 
A)  assimilate. 
B)  accommodate. 
C)  transduce. 
D)  laterally inhibit.

Question 16

While you are reading this test,your _________ vision is most active because of activity in your _________.

Accepted Answer

A)  photopic;fovea 
B)  scotopic;fovea 
C)  photopic;ganglion 
D)  photopic;rods 
A)  photopic;fovea 
B)  scotopic;fovea 
C)  photopic;ganglion 
D)  photopic;rods

Question 17

Why is our vision blurry when we swim underwater without goggles?

Accepted Answer

Both air and water bend,or refract light

Question 18

The blind spot of the eye occurs when light falls on the macula.

Accepted Answer

A) True 
 B)False

Question 19

Jessica's vision is 20/20,but her friend Joshua needs to wear glasses to correct for his 20/200 vision.Without his glasses,Joshua sees as much detail in objects that are 20 feet away from him as Jessica sees in objects that are _________ feet away from her.

Accepted Answer

A)  10 
B)  20 
C)  200 
D)  2,000 
A)  10 
B)  20 
C)  200 
D)  2,000

Question 20

The periphery of the retina is superior to the center for viewing

Accepted Answer

A)  colorful objects in bright light. 
B)  black and white objects in bright light. 
C)  objects in fine detail in dim light. 
D)  objects with less detail in dim light. 
A)  colorful objects in bright light. 
B)  black and white objects in bright light. 
C)  objects in fine detail in dim light. 
D)  objects with less detail in dim light.

Photoreceptors absorb light in their

The amplitude of a light wave is encoded as _,while the wavelength of a light wave is encoded as _______.

Amacrine cells communicate directly with

Information from the left half of the visual field is processed by

Longer wavelengths,such as microwaves,would not make a good basis for a visual system because

The lateral geniculate nucleus (LGN)

Bipolar cells receive input from

The lens obtains its nutrients from

Courtney suffered a corneal abrasion on one eye after she fell asleep with her hard contacts in place.When she asked her physician what to expect from her injury,the physician told her that

Stimulus rotation,expansion,and contraction appear to be processed by Area

What is the function of the cornea of the eye?

The color of the iris is primarily a result of

Myopia (nearsightedness)usually occurs when the

Describe the opponent process theory.

Amber's mom is in her mid-40s,and she's starting to complain about how long it takes her to see well when she shifts her vision from the speedometer of her car to the road ahead of her.It is likely that Amber's mom is experiencing age-related deficits in the ability of her lens to

While you are reading this test,your _ vision is most active because of activity in your _.

Why is our vision blurry when we swim underwater without goggles?

The blind spot of the eye occurs when light falls on the macula.

Jessica's vision is 20/20,but her friend Joshua needs to wear glasses to correct for his 20/200 vision.Without his glasses,Joshua sees as much detail in objects that are 20 feet away from him as Jessica sees in objects that are _________ feet away from her.

The periphery of the retina is superior to the center for viewing

Introducing Biological Psychology

The Anatomy and Evolution of the Nervous System

Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Nonvisual Sensation and Perception

Movement

Temperature Regulation,thirst,and Hunger

Sexual Behavior

Sleep and Waking

Learning and Memory

Lateralization, language, and Intelligence

Emotion, reward, aggression, and Stress

Neurological Disorders

Psychological Disorders

Filters

Exam 6: Vision

Photoreceptors absorb light in their

The amplitude of a light wave is encoded as _____________,while the wavelength of a light wave is encoded as ___________________.

Amacrine cells communicate directly with

Information from the left half of the visual field is processed by

Longer wavelengths,such as microwaves,would not make a good basis for a visual system because

The lateral geniculate nucleus (LGN)

Bipolar cells receive input from

The lens obtains its nutrients from

Courtney suffered a corneal abrasion on one eye after she fell asleep with her hard contacts in place.When she asked her physician what to expect from her injury,the physician told her that

Stimulus rotation,expansion,and contraction appear to be processed by Area

What is the function of the cornea of the eye?

The color of the iris is primarily a result of

Myopia (nearsightedness)usually occurs when the

Describe the opponent process theory.

Amber's mom is in her mid-40s,and she's starting to complain about how long it takes her to see well when she shifts her vision from the speedometer of her car to the road ahead of her.It is likely that Amber's mom is experiencing age-related deficits in the ability of her lens to

While you are reading this test,your _________ vision is most active because of activity in your _________.

Why is our vision blurry when we swim underwater without goggles?

The blind spot of the eye occurs when light falls on the macula.

Jessica's vision is 20/20,but her friend Joshua needs to wear glasses to correct for his 20/200 vision.Without his glasses,Joshua sees as much detail in objects that are 20 feet away from him as Jessica sees in objects that are _________ feet away from her.

The periphery of the retina is superior to the center for viewing

Introducing Biological Psychology

The Anatomy and Evolution of the Nervous System

Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Nonvisual Sensation and Perception

Movement

Temperature Regulation,thirst,and Hunger

Sexual Behavior

Sleep and Waking

Learning and Memory

Lateralization, language, and Intelligence

Emotion, reward, aggression, and Stress

Neurological Disorders

Psychological Disorders

Filters

The amplitude of a light wave is encoded as _,while the wavelength of a light wave is encoded as _______.

While you are reading this test,your _ vision is most active because of activity in your _.