A familiar person walks into the room. Which of the following choices places the structures in the appropriate sequence required to recognize the individual?
a. Optic chiasm, visual cortex, photoreceptors, optic nerve
b. Visual cortex, optic chiasm, photoreceptors, optic nerve
c. Photoreceptors, optic nerve, optic chiasm, visual cortex
d. Photoreceptors, optic chiasm, optic nerve, visual cortex
Answer: C
Rationale: Light stimulates chemical reactions in the rods and cones, and these reactions initiate neural signals that pass through an intricate network of cells in the retina, which in turn send impulses to the brain. The information contained in the cells of the optic nerve travels to numerous brain regions.
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