Compared to Nonathletes, Athletes Who Train on a Regular Basis

question 48

Multiple Choice

Compared to nonathletes, athletes who train on a regular basis experience:

• A) higher iron needs because of greater iron losses.
• B) lower iron needs due to enhanced iron conservation.
• C) higher iron needs due to greater oxygen delivery to working muscles.
• D) lower iron needs due to enhanced iron absorption.
• E) higher iron needs because of greater iron losses and higher iron needs due to greater oxygen delivery to working muscles.

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Definitions:

Economic Profits

The difference between total revenue and total economic costs (including both explicit and implicit costs), representing the additional income above the opportunity cost.

Monopoly

A market structure characterized by a single seller who has exclusive control over the supply of a good or service, and where the entry of new firms is hindered.

Monopolist's Profit

The excess revenue a monopolist earns over its costs, attributable to its ability to set prices above competitive levels due to lack of competition.

Marginal Cost

The additional cost incurred from producing one more unit of a good or service.