The Extracellular Fluids in Our Bodies

question 96

Multiple Choice

The extracellular fluids in our bodies

• A) have the same composition as seawater.
• B) have a much higher osmotic concentration than fluids in cells have.
• C) contain no proteins.
• D) have a fixed water concentration.
• E) can supply water and nutrients to cells.

---

Definitions:

Pretax Income

The amount of income that a company earns before any taxes are deducted.

Variable Cost

Costs that vary in direct proportion to changes in the level of production or sales activity.

Fixed Costs

Costs that do not fluctuate with the level of production or sales activity, such as rent, salaries, and insurance premiums, remaining constant regardless of business volume.

Break-Even

The point at which total revenues equal total costs, leading to neither a profit nor a loss.