The Beginning Of The Perceptual Process

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Question 1
Free
Multiple Choice

 Our perception of the environment begins with _____ .

Choose correct answer/s
A

energy

B

the proximal stimulus

C

the distal stimulus

D

cognition

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Question 2
Free
Multiple Choice

 Visible light is between _____ and _____ nm within the electromagnetic spectrum.

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A

100; 400

B

400; 700

C

500; 1000

D

900; 1500

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Question 3
Free
Multiple Choice

 A wavelength of 10,000 meters would fall in the _____ range of the electromagnetic spectrum.

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A

X-rays

B

radio wave

C

infrared rays

D

gamma rays

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Question 4
Free
Multiple Choice

 The electromagnetic spectrum is a continuum of electromagnetic energy that is produced by _____ and is radiated as _____ .

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A

electric charges; waves

B

magnetism; waves

C

electric charges; magnetism

D

magnetism; electric charges

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Question 5
Free
Multiple Choice

 The structure of the eye that provides about 80% of the eye's focusing power is the _____ .

Choose correct answer/s
A

iris

B

pupil

C

cornea

D

lens

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Question 6
Multiple Choice

 Jan tries to focus on the tip of her pencil as she brings it closer to her. She feels the strain on her eye as she does this. What she is feeling in her eye is due to the process called _____ .

Choose correct answer/s
A
inhibition
B
reflection
C
accommodation
D
assimilation
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Question 7
Multiple Choice

 The ciliary muscles change the shape of the _____ , providing about 20% of the eye's focusing power.

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A
iris
B
pupil
C
cornea
D
lens
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Question 8
Multiple Choice

 Lorelei's mother is 60 years old, and, because of the condition called _____ , she has a difficult time bringing near objects into focus.

Choose correct answer/s
A
cataracts
B
diplopia
C
presbyopia
D
retinitis pigmentosa
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Question 9
Multiple Choice

 In _____ , the eyeball is too long, resulting in difficulty seeing far objects.

Choose correct answer/s
A
axial myopia
B
refractive myopia
C
axial hyperopia
D
refractive hyperopia
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Question 10
Multiple Choice

 Individuals with myopia may have difficulty seeing _____ objects clearly. Often times, they are also referred to as being _____ .

Choose correct answer/s
A
nearby; farsighted
B
nearby; nearsighted
C
distant; farsighted
D
distant; nearsighted
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Question 11
Multiple Choice

 Vera has hyperopia, and tends to get headaches when she reads. This might be because _____ .

Choose correct answer/s
A
Vera also has presbyopia and has the constant need to accommodate
B
Vera also has myopia and is unable to accommodate
C
Vera has just had LASIK surgery and her ciliary muscles are damaged
D
Vera is 5-years-old and lacks the visual acuity to read
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Question 12
Multiple Choice

 The visual pigment molecules are contained in the _____ .

Choose correct answer/s
A
inner segments of the visual receptors
B
outer segments of the visual receptors
C
axons of the rods
D
axons of the cones
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Question 13
Multiple Choice

 _______ reacts to light to start the process of transduction.

Choose correct answer/s
A
Opsin
B
Retinal
C
Choroid
D
Thyric acid
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Question 14
Multiple Choice

 The isomerization of a single pigment molecule triggers what is best described as a _____ .

Choose correct answer/s
A
chain reaction
B
ballistic expansion
C
hyperactive potential
D
hypopolarization wave
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Question 15
Multiple Choice

 Which of the following is true about the difference between the rods and the cones

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A
The rods control vision in high illumination conditions, and the cones control vision in low illumination conditions.
B
The rods are packed in an area called the fovea, and the cones are found more in the peripheral retina.
C
There are about 120 million rods in the human eye and about 6 million cones.
D
The only difference between the rods and the cones is physical shape.
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Question 16
Multiple Choice

 A retinal condition that destroys the cones in the fovea is _____ .

Choose correct answer/s
A
macular degeneration
B
retinitis pigmentosa
C
presbyopia
D
retinal hypopolarization
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Question 17
Multiple Choice

 In the early stages of _____ , peripheral rod receptors are destroyed leading to poorer peripheral vision.

Choose correct answer/s
A
macular degeneration
B
retinitis pigmentosa
C
presbyopia
D
retinal hypopolarization
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Question 18
Multiple Choice

 The blind spot is located _____ .

Choose correct answer/s
A
in the fovea
B
in the vitreous
C
where the optic nerve leaves the eye
D
at the optic chiasm
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Question 19
Multiple Choice

 Nina does a demonstration of "seeing" the blind spot, in which a grid pattern surrounds the black dot that disappears when it falls on the blind spot. What does Nina most likely see in the area where the dot disappears

Choose correct answer/s
A
a blurry gray area
B
a white circle
C
nothing
D
a continuation of the grid pattern
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Question 20
Multiple Choice

 The episode of "Mythbusters" cited in the textbook demonstrated that dark adaptation was the reason why _____ .

Choose correct answer/s
A
poker players wear sunglasses
B
pirates wore eyepatches
C
cardinals have good night vision
D
cats have good night vision
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