What Is the Action of the Muscle Labeled C

question 59

Multiple Choice

What is the action of the muscle labeled C?

• A)laterally flex and rotate head
• B)extends head
• C)depresses tongue
• D)protracts mandible (as in opening the mouth)
• E)elevates the mandible (as in closing the mouth)

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Definitions:

Economic Profits

The discrepancy between what a business earns in total revenue versus the sum of its explicit and implicit expenditures.

Monopolistically Competitive

A market structure where many companies sell products that are similar but not identical, leading to competition.

Profit-Maximizing

A strategy where a firm sets its production level to achieve the highest possible profit, where marginal cost equals marginal revenue.

Profit-Maximizing Monopolistically Competitive

A situation where a firm in a monopolistically competitive market sets its product prices and output levels to maximize its profits, recognizing it has some degree of market power.