Which of the Following Is Not a Means by Which

question 64

Multiple Choice

Which of the following is not a means by which venous blood is returned to the heart?

• A) The semilunar valves in the vein
• B) Respiration, which reduces pressure in the thorax and increases pressure in the abdomen
• C) The contraction of skeletal muscles pushing blood through the veins
• D) All the above are means by which venous blood returns to the heart.

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Definitions:

Electricity Costs

The financial charges for the consumption of electrical energy by a business, forming part of its operating expenses.

Factory Supervisor

A managerial position responsible for overseeing the daily operations of a manufacturing facility, ensuring production targets are met efficiently.

Mixed Cost

A cost composed of a fixed and a variable component and changes in total in response to activity level changes.

Variable Cost

Financial obligations that shift depending on production or sales levels, notably materials and workforce expenses.