The Resting Membrane Potential for a Neuron Will Depolarize (Become

question 5

Multiple Choice

The resting membrane potential for a neuron will depolarize (become less negative) with increased extracellular concentration of which of the following ions?

• A) Potassium
• B) Sodium
• C) Chloride
• D) Calcium
• E) Anions

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Definitions:

Fixed Costs

Fixed costs are those business expenses that remain constant regardless of the level of production or sales, such as rent, salaries, and insurance.

Operating Leverage

A measure of how revenue growth translates into growth in operating income, indicating the proportion of fixed to variable costs in a company's cost structure.

Break-even Point

The point at which total revenues equal total costs, resulting in neither profit nor loss.

Variable Cost

Costs that vary depending on the amount of goods produced or the scale of operations in a business.