Which of the Following Is an Explanation for the Higher

question 84

Multiple Choice

Which of the following is an explanation for the higher acuity of the visual system at the fovea, relative to the periphery of the retina?

• A) A foveal ganglion cell may receive information from a single photoreceptor, whereas a peripheral ganglion cell may receive information from multiple photoreceptors.
• B) The fovea contains only rods, which are directly connected to the ganglion cells.
• C) Peripheral photoreceptors are more likely to be damaged by prolonged light exposure.
• D) The foveal photoreceptor cells contain more photopigment per cell.
• E) Peripheral photoreceptors are more isolated from bipolar cells and thus require greater activation in order to provoke a visual response.

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Definitions:

Long-term Care

A variety of services designed to meet a person's health or personal care needs over an extended period of time.

Mildly Impaired

Referring to a minor reduction in cognitive, physical, or emotional functioning that may affect daily life to some extent but does not incapacitate the individual.

Fastest-growing Segment

Refers to the part of a population or market that is expanding more rapidly than other segments.

Aging

The process of becoming older, a natural part of life characterized by gradual changes in physical, cognitive, and social functioning.