Research Indicates That Exercise May Be a Useful Resource for Combating

question 57

Multiple Choice

Research indicates that exercise may be a useful resource for combating the adverse effects of stress. Your text suggests this may be because exercise

• A) decreases exogenous opioids.
• B) increases endorphin levels, thus masking the effects of stress.
• C) appears to suppress the immune system.
• D) always increases cognitive processes.
• E) appears to modulate immune activity during stress.

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Definitions:

Law of Diminishing Returns

The principle that adding more of one factor of production, while keeping others constant, will eventually yield lower per-unit returns.

Economic Profit

The surplus remaining after deducting both explicit and implicit costs from total revenues, emphasizing a firm's financial performance beyond just its accounting profit.

Accounting Profit

Accounting profit is the monetary gain calculated by subtracting total explicit costs from total revenue.

Sunk Cost

A cost that has already been incurred and cannot be recovered, and therefore should not affect current and future business decisions.