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

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