After Three Hours of Playing a Physically Exhausting Professional Tennis

question 124

Multiple Choice

After three hours of playing a physically exhausting professional tennis match,Chitra began to experience feelings of exhilaration and pleasure.It is likely that her feelings were most directly linked to the release of

• A) dopamine.
• B) acetylcholine.
• C) endorphins.
• D) growth hormones.

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Definitions:

Long-run Total Costs

The aggregate expenses a firm incurs in the production of goods or services when all factors of production are variable.

Average-total-cost Curve

A graphical representation showing the average total cost of producing different quantities of a good or service, illustrating how costs vary with changes in output.

Average-fixed-cost Curve

A graphical representation showing how the average fixed cost of production decreases as the quantity of output increases.

Implicit Costs

The opportunity costs of using resources owned by the business for its operations instead of allocating them to their best alternative use.