How Would a Chemical That Prevents the Opening of Voltage-Regulated

question 130

Multiple Choice

How would a chemical that prevents the opening of voltage-regulated Na+ channels affect the function ofa neuron?

• A) The neuron will only be able to hyperpolarize.
• B) The neuron will depolarize more rapidly.
• C) Action potentials will lack a repolarization phase.
• D) The neuron will automatically and repeatedly produce graded potentials.
• E) The neuron will only be capable of producing graded potentials.

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Definitions:

Marginal Revenue

The increase in income resulting from the sale of one extra unit of a product or service.

Average Revenue

The amount of revenue a company receives per unit of sales, calculated by dividing total revenue by the number of units sold.

Market Equilibrium

A condition in which market supply and demand balance each other, and as a result, prices become stable.

Competitive Industry

A competitive industry is one where numerous producers compete with each other to satisfy the needs and wants of consumers, characterized by free entry and exit and a high level of innovation.