Many of the Addictive Drugs Activate the Same Pleasure Centers

question 201

Multiple Choice

Many of the addictive drugs activate the same pleasure centers as are activated by food and sex.Many of the pleasure centers are located in the

• A)hypothalamus.
• B)medulla.
• C)cerebellum.
• D)corpus callosum.

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Definitions:

Economies of Scale

The economic benefits gained by companies because of their large scale of operation, which typically results in a lower cost per unit of output as the scale increases.

Average Fixed Costs

The total fixed costs associated with production (costs that do not change with output) divided by the quantity of output produced.

Output Increases

A rise in the quantity of goods or services produced by a company or economy.

Law of Diminishing Returns

The principle that as the level of investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other inputs remain constant.