-Which Statement Best Describes the Event Indicated by the Letter

question 68

Multiple Choice

-Which statement best describes the event indicated by the letter "C" in Figure 7.1 and how that event is initiated?

• A) It is an excitatory potential that causes the relative refractory period.
• B) It is a suprathreshold graded potential resulting from the opening and closing of sodium and potassium channels.
• C) It is a hyperpolarization of the membrane due to the outward movement of potassium ions.
• D) It is a subthreshold graded potential resulting from the opening of sodium channels, closure of potassium channels, or opening of ion channels for sodium and potassium.
• E) It is a suprathreshold depolarization representing an action potential.

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Definitions:

Utility Function

A representation or model used in economics to quantify the satisfaction or happiness a consumer derives from consuming goods and services.

Income

Payment obtained, regularly, for services rendered or from capital investments.

Preferences

In economics, refers to the subjective tastes and desires of consumers that influence their choices and demands.

Demand

The desire coupled with the purchasing power for specific goods or services in a given economic marketplace.