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

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