The Movement of Blood from the Abdominal Veins into the Thoracic

question 52

Multiple Choice

The movement of blood from the abdominal veins into the thoracic veins based on the pressure differences that occur during breathing is called

• A)the skeletal muscle pump.
• B)diaphragmatic breathing.
• C)the respiratory pump.
• D)valvular insufficiency.
• E)blood colloid osmotic pressure.

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Definitions:

Total Variable Cost

The sum of all costs that vary directly with the level of production or output, including costs for materials, labor, and energy.

Marginal Cost

The extra financial burden of producing an additional unit of a product or service.

Average Variable Cost

The cost per unit of output that varies with the level of production, excluding any fixed costs.

Learning-by-Doing

The process through which skill and efficiency are improved over time as a result of practice and experience.