Which of the Following Is a Function of the Serous

question 39

Multiple Choice

Which of the following is a function of the serous fluid of the pleurae?

• A)reduces friction between the two layers
• B)allows the two layers to slide across one another
• C)creates surface tension that holds the lungs open against the chest wall
• D)All of the choices are functions.

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Definitions:

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs.

Wage Rate

It refers to the amount of compensation an employee receives in exchange for their labor per unit of time, often expressed per hour, day, or piece worked.

Total Cost

The sum of all expenses incurred by a business in the production of goods or services, including both fixed and variable costs.

Purely Competitive Conditions

A market structure characterized by many buyers and sellers, free entry and exit, and a homogeneous product.