In the Sequence of Permeability Changes for a Complete Action

question 35

Multiple Choice

In the sequence of permeability changes for a complete action potential, the first of these events that occurs is

• A) the activation of the sodium-potassium "pump."
• B) the inhibition of the sodium-potassium "pump."
• C) the opening of voltage-gated sodium channels.
• D) the closing of voltage-gated potassium channels.
• E) the opening of voltage-gated potassium channels.

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Definitions:

Utility Function

A mathematical representation that ranks an individual's preferences over a set of goods and services, based on the level of satisfaction or utility derived.

Optimal Utility Rule

A principle in consumer theory stating that consumers allocate their income in a way that maximizes their total utility, given their budget constraint.

Indifference Curve

A graph representing combinations of goods or services among which a consumer is indifferent, showing the same level of utility for each point along the curve.

Utility Level

An assessment of contentment or joy obtained by a customer from using products and services.