What Explanation Can You Give for Why the Sodium-Potassium Pump

question 29

Multiple Choice

What explanation can you give for why the sodium-potassium pump does not run out of ions to move in or out of the cell?

• A)Leak channels are always open,allowing the passage of sodium ions (Na⁺)and potassium ions (K⁺)across the membrane.
• B)The cell continuously produces more ions to replace those moved by the pump,maintaining a constant supply.
• C)Many of the ions moved in or out then diffuse passively back through the membrane in the opposite direction.

---

Definitions:

Finite Population

A population that contains a finite or countable number of elements or observations, where the population size is known.

Average Service Time

This metric represents the mean time required to serve a customer or complete a process, useful in evaluating the efficiency of service operations.

Service Requirements

Specifications or criteria that detail the performance and quality levels needed to meet customers' needs or service delivery standards.

Queuing System

A mathematical model used to analyze the behavior of queues formed by items or people awaiting service and to design efficient service mechanisms.