Which of the Following Is True of an Infant's Brain

question 56

Multiple Choice

Which of the following is true of an infant's brain?

• A) At birth, an infant's brain is fully developed.
• B) An infant's brain reaches nearly 70 percent of its adult weight by the age of one year.
• C) An infant's brain is not myelinated at birth.
• D) Infants have lesser connections among neurons than adults do.

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Definitions:

Income Elasticity of Demand

A measure of how the quantity demanded of a good or service changes in response to a change in consumers' income.

Price Elasticity of Supply

An economic measure of how much the quantity supplied of a good changes in response to a change in price.

Equilibrium Values

The set of prices or quantities in a market or economic model where supply equals demand, and no incentive exists for change.

Cyclical Industries

Industries in which sales tend to magnify cyclical changes in gross domestic product and national income.