For the Following Questions, Refer to the Graph of an Action

question 23

Multiple Choice

For the following questions, refer to the graph of an action potential.

-Action potentials are normally carried in only one direction: from the axon hillock toward the axon terminals. If you experimentally depolarize the middle of the axon to threshold, using an electronic probe, then

• A) no action potential will be initiated.
• B) an action potential will be initiated and proceed only in the normal direction toward the axon terminal.
• C) an action potential will be initiated and proceed only back toward the axon hillock.
• D) two action potentials will be initiated, one going toward the axon terminal and one going back toward the hillock.
• E) an action potential will be initiated, but it will die out before it reaches the axon terminal.

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Definitions:

Firm

An organization that produces goods or provides services, usually with the aim of making a profit.

Economic Profit

The difference between the total revenue generated by a business and the total costs, including both explicit and implicit costs.

Minimum Return

The lowest expected or required return on an investment over a specified period.

Long Run

A period of time in which all factors of production and costs are variable, allowing for all adjustments to take place in the analysis of economic conditions.