Question 1

Which of the following sets of cells forms a direct pathway for visual information and lies perpendicular to the back of the eye?

Accepted Answer

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

Question 2

The cell bodies of bipolar,amacrine,and horizontal cells are located in the _________ layer.

Accepted Answer

A)  inner nuclear 
B)  outer nuclear 
C)  inner plexiform 
D)  outer plexiform 
A)  inner nuclear 
B)  outer nuclear 
C)  inner plexiform 
D)  outer plexiform A

Question 3

Cell bodies of the photoreceptors are located in the _________ layer.

Accepted Answer

A)  inner nuclear 
B)  outer nuclear 
C)  inner plexiform 
D)  outer plexiform 
A)  inner nuclear 
B)  outer nuclear 
C)  inner plexiform 
D)  outer plexiform B

Question 4

The process of translating a physical stimulus into action potentials is known as

Accepted Answer

A)  transduction. 
B)  translation. 
C)  absorption. 
D)  the dark current. 
A)  transduction. 
B)  translation. 
C)  absorption. 
D)  the dark current.

Question 5

Retinal disparity decreases with the distance of the object from the viewer.

Accepted Answer

A) True 
 B)False

Question 6

Compared with vision under direct sunlight,our ability to see detail under starlight is about

Accepted Answer

A)  the same. 
B)  ten times better. 
C)  ten times worse. 
D)  one hundred times worse. 
A)  the same. 
B)  ten times better. 
C)  ten times worse. 
D)  one hundred times worse.

Question 7

Information about retinal disparity combines with an assessment of an object's movement in the _________ lobes.

Accepted Answer

A)  frontal 
B)  parietal 
C)  temporal 
D)  occipital 
A)  frontal 
B)  parietal 
C)  temporal 
D)  occipital

Question 8

A condition in which both eyes do not focus on an object together is known as

Accepted Answer

A)  amblyopia. 
B)  myopia. 
C)  hyperopia. 
D)  presbyopia. 
A)  amblyopia. 
B)  myopia. 
C)  hyperopia. 
D)  presbyopia.

Question 9

What is the approximate ratio of center-on bipolar cells to center-off bipolar cells in the human retina?

Accepted Answer

A)  1:1 
B)  2:1 
C)  5:1 
D)  10:1 
A)  1:1 
B)  2:1 
C)  5:1 
D)  10:1

Question 10

Compared with P cells,M cells have

Accepted Answer

A)  smaller,slower axons. 
B)  smaller receptive fields. 
C)  the ability to respond to subtle contrast. 
D)  the ability to respond to color. 
A)  smaller,slower axons. 
B)  smaller receptive fields. 
C)  the ability to respond to subtle contrast. 
D)  the ability to respond to color.

Question 11

The lens of the eye continues to grow throughout the lifespan.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following has been proposed as a possible advantage for primate color vision?

Accepted Answer

A)  the ability to detect camouflaged prey 
B)  improved detection of depth 
C)  the ability to track large numbers of objects 
D)  improved detection of large,moving shadows 
A)  the ability to detect camouflaged prey 
B)  improved detection of depth 
C)  the ability to track large numbers of objects 
D)  improved detection of large,moving shadows

Question 13

At the level of the lateral geniculate nucleus (LGN),input from the two eyes in humans is

Accepted Answer

A)  kept completely separate. 
B)  kept separate in the magnocellular layers,but not in the parvocellular layers. 
C)  kept separate in the parvocellular layers,but not in the magnocellular layers. 
D)  mingled in all layers. 
A)  kept completely separate. 
B)  kept separate in the magnocellular layers,but not in the parvocellular layers. 
C)  kept separate in the parvocellular layers,but not in the magnocellular layers. 
D)  mingled in all layers.

Question 14

Bipolar cells form synapses with horizontal cells and photoreceptors in the _________ layer.

Accepted Answer

A)  inner nuclear 
B)  outer nuclear 
C)  inner plexiform 
D)  outer plexiform 
A)  inner nuclear 
B)  outer nuclear 
C)  inner plexiform 
D)  outer plexiform

Question 15

The human eye contains approximately _________ million cones.

Accepted Answer

A)  6 
B)  75 
C)  100 
D)  120 
A)  6 
B)  75 
C)  100 
D)  120

Question 16

The human eye contains approximately _________ million rods.

Accepted Answer

A)  6 
B)  75 
C)  100 
D)  120 
A)  6 
B)  75 
C)  100 
D)  120

Question 17

Photoreceptors

Accepted Answer

A)  are hyperpolarized in the dark and depolarized by light. 
B)  are depolarized in the dark and hyperpolarized by light. 
C)  produce action potentials in response to being in the dark. 
D)  produce action potentials in response to light. 
A)  are hyperpolarized in the dark and depolarized by light. 
B)  are depolarized in the dark and hyperpolarized by light. 
C)  produce action potentials in response to being in the dark. 
D)  produce action potentials in response to light.

Question 18

Blood vessels and axons forming the optic nerve enter and exit the eye at the

Accepted Answer

A)  optic disk. 
B)  macula. 
C)  fovea. 
D)  temporal retina. 
A)  optic disk. 
B)  macula. 
C)  fovea. 
D)  temporal retina.

Question 19

The layer of pigmented cells supporting the photoreceptors in the retina is known as the

Accepted Answer

A)  macula. 
B)  epithelium. 
C)  fovea. 
D)  ganglion layer. 
A)  macula. 
B)  epithelium. 
C)  fovea. 
D)  ganglion layer.

Question 20

Christopher and his friends are watching a football game.Which of the following features of the visual system should be especially helpful to these fans as they try to keep track of the movements of their team's players?

Accepted Answer

A)  Scotopic vision 
B)  Retinal disparity 
C)  Trichromacy 
D)  Color constancy 
A)  Scotopic vision 
B)  Retinal disparity 
C)  Trichromacy 
D)  Color constancy

Which of the following sets of cells forms a direct pathway for visual information and lies perpendicular to the back of the eye?

The cell bodies of bipolar,amacrine,and horizontal cells are located in the _________ layer.

Cell bodies of the photoreceptors are located in the _________ layer.

The process of translating a physical stimulus into action potentials is known as

Retinal disparity decreases with the distance of the object from the viewer.

Compared with vision under direct sunlight,our ability to see detail under starlight is about

Information about retinal disparity combines with an assessment of an object's movement in the _________ lobes.

A condition in which both eyes do not focus on an object together is known as

What is the approximate ratio of center-on bipolar cells to center-off bipolar cells in the human retina?

Compared with P cells,M cells have

The lens of the eye continues to grow throughout the lifespan.

Which of the following has been proposed as a possible advantage for primate color vision?

At the level of the lateral geniculate nucleus (LGN),input from the two eyes in humans is

Bipolar cells form synapses with horizontal cells and photoreceptors in the _________ layer.

The human eye contains approximately _________ million cones.

The human eye contains approximately _________ million rods.

Photoreceptors

Blood vessels and axons forming the optic nerve enter and exit the eye at the

The layer of pigmented cells supporting the photoreceptors in the retina is known as the

Christopher and his friends are watching a football game.Which of the following features of the visual system should be especially helpful to these fans as they try to keep track of the movements of their team's players?

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

Which of the following sets of cells forms a direct pathway for visual information and lies perpendicular to the back of the eye?

The cell bodies of bipolar,amacrine,and horizontal cells are located in the _________ layer.

Cell bodies of the photoreceptors are located in the _________ layer.

The process of translating a physical stimulus into action potentials is known as

Retinal disparity decreases with the distance of the object from the viewer.

Compared with vision under direct sunlight,our ability to see detail under starlight is about

Information about retinal disparity combines with an assessment of an object's movement in the _________ lobes.

A condition in which both eyes do not focus on an object together is known as

What is the approximate ratio of center-on bipolar cells to center-off bipolar cells in the human retina?

Compared with P cells,M cells have

The lens of the eye continues to grow throughout the lifespan.

Which of the following has been proposed as a possible advantage for primate color vision?

At the level of the lateral geniculate nucleus (LGN),input from the two eyes in humans is

Bipolar cells form synapses with horizontal cells and photoreceptors in the _________ layer.

The human eye contains approximately _________ million cones.

The human eye contains approximately _________ million rods.

Photoreceptors

Blood vessels and axons forming the optic nerve enter and exit the eye at the

The layer of pigmented cells supporting the photoreceptors in the retina is known as the

Christopher and his friends are watching a football game.Which of the following features of the visual system should be especially helpful to these fans as they try to keep track of the movements of their team's players?

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