The Period Following an Action Potential During Which a Membrane

question 208

Multiple Choice

The period following an action potential during which a membrane cannot experience another action potential

• A)is the absolute refractory period
• B)occurs during the time after the Na+ gates have opened until they are restored to their "closed but capable of opening" state
• C)prevents the action potential from spreading back over the part of the membrane where the impulse has just passed
• D)includes the time when Na+ gates are in a "closed and not capable of opening" state
• E)includes all of the above

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Definitions:

Information About Quality

Knowledge or data regarding the characteristics or attributes of a product or service that determine its overall value to a consumer.

Product-Variety Externality

External benefits or costs to society resulting from a variety of products beyond what would be provided by market forces alone.

Business-Stealing Externality

A negative externality that occurs when new products or services enter a market, reducing the sales and profitability of existing products or services.

Spillover Costs

Costs that affect parties who are not directly involved in a transaction or economic activity.