Which of the Following Is Not a Muscle in the Posterior

question 125

Multiple Choice

Which of the following is not a muscle in the posterior thoracic region?

• A)trapezius
• B)levator scapulae
• C)rhomboid minor and major
• D)serratus posterior superior and inferior
• E)All of the above are muscles in the posterior thoracic region.

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Definitions:

MC

Marginal Cost, which refers to the increase or decrease in the cost of producing one additional unit of a good or service.

ATC

stands for Average Total Cost, which is the sum of all production costs divided by the quantity of output produced; it combines average fixed and variable costs.

MR

Stands for Marginal Revenue, which is the additional income received from selling one more unit of a product or service.

Short Run

A time period in economics during which at least one input is fixed, limiting the ability of the economy or firm to adjust to changes in demand or supply.