The Pectoralis Major Muscle Inserts on the Greater Tubercle of the Humerus

question 142

Multiple Choice

The pectoralis major muscle inserts on the greater tubercle of the humerus. When it contracts, it produces

• A) medial rotation.
• B) adduction.
• C) flexion.
• D) both A and C
• E) A, B, and C

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Definitions:

Total Variable Costs

The sum of all costs that vary directly with the level of output produced.

Earrings

Jewelry designed to be worn on the ears, available in various styles and materials.

Variable Input

An input whose quantity varies with production levels, affecting cost and output.

Marginal Cost

The added cost of producing one additional unit of a product or service.