When the Potential Across a Membrane Reaches Threshold, the Sodium

question 105

Multiple Choice

 When the potential across a membrane reaches threshold, the sodium channels ____.

• A) open to let sodium enter the cell rapidly
• B) close to prevent sodium from entering the cell
• C) open to let sodium exit the cell rapidly
• D) close to prevent sodium from exiting the cell

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Definitions:

Federal Spending

Federal spending refers to the government's expenditure on goods, services, and public projects, financed by taxes and borrowing.

Federal Government

The national government of a federal country, such as the United States, which shares power with state and local governments.

Boston Tea Party

A political protest by the American colonists against Great Britain in 1773, where they destroyed an entire shipment of tea sent by the East India Company in defiance of British tea taxes.

Marginal Tax Rate

The marginal tax rate is the rate at which the last dollar of a taxpayer's income is taxed, indicating the rate of tax that applies to each additional dollar of taxable income.