Why Is It Possible for Potassium to Diffuse Easily into and Out

question 18

Multiple Choice

Why is it possible for potassium to diffuse easily into and out of cells?

• A) Potassium has a greater concentration in the intracellular fluid (ICF).
• B) Sodium has a greater concentration in the extracellular fluid (ECF).
• C) The resting plasma membrane is more permeable to potassium.
• D) An excess of anions are inside the cell.

---

Definitions:

Fixed Costs

Fixed costs are business expenses that do not change in proportion to the volume of goods or services produced or sold.

Make or Buy

A decision-making process regarding whether to produce goods in-house or purchase them from an external supplier.

Fixed Manufacturing Overhead

Indirect manufacturing costs that remain constant regardless of the level of production, such as factory rent and salaries of supervisory staff.

Direct Labor Cost

A rephrased definition: The cost incurred from the labor of workers who actively contribute to the manufacturing or creation of a product.