Which of the following statements is true of color processing in the retina?
a. Blue light inhibits the activity of yellow-blue ganglion cells.
b. Green light excites the activity of red-green ganglion cells.
c. Red light inhibits the activity of red-green ganglion cells.
d. Blue light excites the activity of yellow-blue ganglion cells.
e. Yellow light inhibits the activity of both red and yellow ganglion cells.
Answer: a. Blue light inhibits the activity of yellow-blue ganglion cells.
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A. sympathetic; autonomic B. sympathetic; somatic C. parasympathetic; somatic D. parasympathetic; autonomic