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

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