Which of the following describes the duplicity theory of vision?
A. Light adaptation and dark adaptation are adjustments in vision to changing light intensities.
B. There are short-wavelength cones and long-wavelength cones.
C. A single type of receptor system cannot produce both high sensitivity and high resolution.
D. Cones and rods are responsible for both photopic (day) vision as well as trichromatic (color) vision.
E. Cones are responsible for both photopic (day) vision as well as trichromatic (color) vision.
Answer: C
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Fill in the blank(s) with correct word
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A) semilunar B) pulmonary C) atrioventricular (AV) D) aortic
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