Psychology 103 - Physiological Psychology » Spring 2022 » Chapter 6 Practice Quiz 1

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Question #1
In humans, all of the visual receptors are in the
A.   last layer of the retina to be reached by light entering the eye.
B.   first layer of the retina to be reached by light entering the eye.
C.   cornea.
D.   optic disk.
E.   middle neural layer of the retina.
Question #2
High-acuity vision is mediated by the
A.   optic disk.
B.   blind spot.
C.   fovea.
D.   choroid.
E.   sclera.
Question #3
Color vision is mediated by
A.   rods.
B.   duplexity.
C.   the photopic system.
D.   rhodopsin.
E.   the scotopic system.
Question #4
High-acuity vision is mediated by
A.   the photopic system.
B.   rhodopsin.
C.   the scotopic system.
D.   the optic disks.
Question #5
In comparison to the photopic system, the scotopic system has more
A.   receptors in the periphery of the retina.
B.   rods.
C.   all of these
D.   sensitivity in dim illumination.
E.   neural convergence.
Question #6
There are more rods
A.   all of these
B.   in the temporal hemiretina than in the nasal hemiretina.
C.   in the nasal hemiretina than in the temporal hemiretina.
D.   at the center of the fovea than there are 20° from the center.
Question #7
The photopic spectral sensitivity curve of a person can be determined by having the person report the
A.   intensity of various wavelengths of light shone on the fovea.
B.   brightness of various intensities of light shone on the periphery of the retina.
C.   brightness of various wavelengths of light shone on the fovea.
D.   intensity of various wavelengths of light shone on the periphery of the retina.
Question #8
Saccades are
A.   connections between the photopic and scotopic systems.
B.   eye movements.
C.   retinal neurons.
D.   blind spots.
E.   centers of color vision.
Question #9
Simple images that are stabilized on the retina start to
A.   increase in brightness.
B.   move to the midline.
C.   continually disappear and reappear.
D.   change shape.
E.   vibrate.
Question #10
Transduction refers to the
A.   perception of lights.
B.   translation of one form of energy to another.
C.   transmission of visual signals to the cortex.
D.   disappearance of visual stimuli.
E.   transmission of sensory signals to the cortex.
Question #11
The absorption spectrum of rhodopsin closely corresponds to the
A.   absorption spectrum of cones.
B.   colors of the rainbow.
C.   photopic vision of fish.
D.   photopic vision of humans.
E.   scotopic spectral sensitivity curve.
F.     
Question #12
The bleaching of rhodopsin by light
A.   opens sodium channels.
B.   depolarizes cones.
C.   hyperpolarizes rods.
D.   opens potassium channels.
E.   depolarizes rods.
Question #13
The major distortion in the retinotopic layout of the primary visual cortex is the disproportionately
A.   high cortical representation of movement.
B.   high cortical representation of the fovea.
C.   low cortical representation of color.
D.   low cortical representation of the fovea.
E.   low cortical representation of movement.
Question #14
Magnocellular neurons are particularly responsive to
A.   color.
B.   detail.
C.   stationary patterns.
D.   movement.
E.   all of these
Question #15
The parvocellular neurons are particularly responsive to
A.   color, fast moving objects, and faces.
B.   moving objects, large patterns, and color.
C.   black and white, stripes, and moving objects.
D.   color, fine detail, and stationary objects.
E.   large, moving objects.
Question #16
Nonexistent stripes of lightness and darkness that accentuate the perception of edges are often called
A.   ommatidia.
B.   lateral inhibitions.
C.   hallucinations.
D.   lateral plexuses.
E.   Mach bands.
Question #17
Lateral inhibition in horseshoe crab ommatidia is mediated by the
A.   amacrine layer.
B.   lateral geniculate.
C.   limulus.
D.   horizontal cell layer.
E.   lateral neural network.

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