Which Is TRUE About Neuronal Membrane Electrical and Concentration Gradients

question 67

Multiple Choice

Which is TRUE about neuronal membrane electrical and concentration gradients at the peak of the action potential?

• A) The electrical gradient is in a direction that would tend to move K⁺ out of the cell.
• B) The concentration gradient for K⁺ is in a direction that would tend to move it into the cell.
• C) The concentration gradient for K⁺ greatly increases compared to at rest.
• D) The concentration gradient for Na⁺ is in a direction that would tend to move it out of the cell.
• E) The electrical gradient for Na⁺ is in a direction that would tend to move it into the cell.

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Definitions:

Demand-Influencing

Strategies or actions undertaken to affect the level of demand for a product or service, often aiming to increase it.

Excess Capacity

The situation in which a firm's production capabilities exceed the demand for its products or services.

Service Firms

Companies that primarily offer intangible products, such as expertise, assistance, or information, rather than physical goods.

Pure Chase Strategy

A demand matching or production strategy where output is adjusted to match demand precisely, reducing inventory levels to a minimum.