The Relative Concentrations of Na⁺ and K⁺ Remain Constant During

question 2

Multiple Choice

The relative concentrations of Na⁺ and K⁺ remain constant during a single action potential,despite movement of these ions across the membrane,because

• A)they cross back immediately through recovery channels.
• B)they are pumped back across using the Na⁺/K⁺ ATPase pump.
• C)they are forced back across the membrane as the action potential moves away.
• D)the refractory periods do not end until all ions have been returned to their original areas.

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Budget Item

An individual expense or source of revenue that is accounted for in a financial budget.

Demand Inelastic

Refers to a situation where the quantity demanded of a good or service does not change significantly when its price changes.

Farm Revenues

The total income generated from farming activities, including the sale of crops, livestock, and other farm products.

Price Elasticity

An index representing how the demand or supply of an item responds to price fluctuations.