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

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