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Multiple Choice Quiz
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1
Although the eye often is likened to a camera, the processing of a visual image in the brain is more reflective of a(n) _______ than a camera.
A)VCR
B)computer
C)digital recorder
D)LED monitor
2
The size of the pupil opening depends on the amount of light in the environment. The dimmer the surroundings, the more the pupil:
A)widens.
B)closes.
C)retracts behind the cornea.
D)becomes elliptical.
3
Rods and cones are involved in the adjustment to different levels of light. Which occurs most quickly?
A)dark adaptation (to dimmer light)
B)light adaptation (to brighter light)
C)bipolar adaptation (to both bright and dim light)
D)colored light adaptation
4
Iyam Nozie gropes his way down the aisle of the dark movie theater. After tripping over the feet of several patrons he gratefully falls into an empty seat. After a short while he can distinguish people a few rows in front and back of him. A short while later he sees Studd Muffin kissing his girlfriend, Nympho Mania, in the back row. Iyam has experienced the phenomenon known as:
A)light adaptation.
B)dark adaptation.
C)peripheral adaptation.
D)accommodation.
5
_________ is the phenomenon of adjusting to bright light after exposure to dim light.
A)Dark adaptation
B)Light adaptation
C)Sensory deprivation
D)Feature detection
6
The _______ collect(s) and summarize(s) visual information, which is then sent to the brain through the optic nerve.
A)rods
B)bipolar cells
C)ganglion cells
D)blind spot
7
Kowch Potato was sitting quietly in his recliner when out of the corner of his eye he saw Siblin Rivalrie trying to sneak up on him to scare him. Kowch turned to his side and spooked Siblin. Kowch's ability to see Siblin is caused by:
A)peripheral vision.
B)night vision.
C)accommodation.
D)adaptation.
8
Didja Seeit stared at a picture of the American flag that was green, black, and yellow for about a minute. Then she looked at a white piece of paper and saw the red, white, and blue flag. The theory of color vision that best explains this phenomenon is:
A)trichromatic theory of color vision.
B)opponents-process theory of color vision.
C)Young-Helmholtz theory of color vision.
D)Weber-Wertheimer theory of color vision.







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