Which of the Following Statements with Regard to Vision Is

question 5

Multiple Choice

Which of the following statements with regard to vision is FALSE?

• A)Photoreceptors are neurons.
• B)There are two basic types of photoreceptors in the retina,rods,and cones.
• C)There are normally four different photopigments in the retina.
• D)There are four different chromophore molecules in the retina.
• E)There are four different opsins in the retina.

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Definitions:

Optimum

The most favorable condition or level for growth, reproduction, or efficiency, or the best or most efficient use of resources.

Substitution Effect

The financial concept where consumers opt for cheaper alternatives when prices increase or their income falls.

Income Effect

Adjustments in the income of a person or the economy and how these adjustments affect the need for certain goods or services.

Substitution Effect

The economic principle that as prices rise or income decreases, consumers will replace more expensive items with less costly alternatives.