What Is Caused by the Inability of Na+ Ion Channels

question 46

Multiple Choice

What is caused by the inability of Na+ ion channels to open for several milliseconds after their inactivation?

• A)hyperpolarization
• B)depolarization
• C)termination
• D)a refractory period
• E)an action potential

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Definitions:

Aggregate Expenditure

The total amount of spending in the economy that includes consumer spending, investment, government spending, and net exports.

Multiplier

An economic factor that quantifies the change in income levels resulting from a change in spending or investment.

Gross Domestic Product

The total value of all goods and services produced within a country over a specific time period, serving as a broad measure of economic activity.

Marginal Propensity

The fraction of an additional amount of income that is spent on consumption. This is a key factor in determining the impact of an income change on the economy.