Which Statement Regarding Photoreceptors Is True

question 41

Multiple Choice

Which statement regarding photoreceptors is true?

• A) Rods are more sensitive to light than cones.
• B) Cones are responsible for night vision.
• C) Rods are found at the greatest density at the fovea, the retina's center of focus.
• D) Rods contain the visual pigment called photopsin.

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Definitions:

Marginal Cost

The expense associated with creating an extra unit of a product or service.

Marginal Benefit

The further satisfaction or value an individual gains from consuming an extra unit of a certain product or service.

Optimal Quantity

The amount of a good or service that achieves the best balance between cost and benefit.

Sunk Cost

Expenses that have already been incurred and cannot be recovered, which should not influence current or future business decisions.