Which of the Following Is NOT True of the Relaxation

question 7

Multiple Choice

Which of the following is NOT true of the relaxation of a muscle fiber?

• A)ATP is needed to fuel the calcium pumps
• B)calcium release channels close
• C)the action potential must continue
• D)Ca²⁺ moves from the sarcoplasm to the sarcoplasmic reticula

---

Definitions:

Economic Profit

The difference between total revenues and total costs, including both explicit and implicit costs, representing the additional benefit over the next best alternative.

Market Price

The price of a commodity when sold in a competitive marketplace, reflecting the supply and demand balance.

Units

Basic measures or quantities of a product, service, or variable used in economic analysis or transactions.

Average Fixed Cost

The average fixed cost is the total fixed expenses of a business divided by the number of units produced, showing how much fixed costs contribute to each unit of production.