Dmitri Was Adopted from a Severely Deprived Orphanage

question 54

Multiple Choice

Dmitri was adopted from a severely deprived orphanage. He has strabismus because of muscle weakness. If left untreated and the strabismus persists longer than a few months, Dmitri will probably

• A) have long-term hearing difficulties.
• B) be overwhelmed by stimulation, reacting to it with disorganized behavior or withdrawal.
• C) show permanent deficits in visual acuity and depth perception.
• D) experience short-term, mild cognitive delays.

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Definitions:

Normal Good

A category of product that sees a rise in demand when consumer incomes go up, and a decrease when incomes fall.

Cross Elasticity of Demand

A measure of how the quantity demanded of one good responds to a change in price of another good, indicating the degree of substitutability between the two goods.

Complements

Goods or services that are used together, so that the consumption of one enhances the consumption of the other.

Substitutes

Products or services that can replace each other in satisfying a consumer's needs or wants.