Which of the Following Statements About the Action Potential Is

question 38

Multiple Choice

Which of the following statements about the action potential is false?

• A) The rapid depolarization phase is caused by the entry of potassium ions.
• B) During the repolarization phase, sodium channels close and potassium channels open.
• C) During the depolarization phase, membrane potential becomes positive.
• D) During the hyperpolarization phase, the ion pumps re-establish the sodium and potassium concentrations across the cell membrane.
• E) Repolarization occurs as potassium ions leave the axon.

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Definitions:

Major Organic Product

The dominant compound produced at the highest yield in an organic chemical reaction.

Major Organic Product

The predominant product formed in a chemical reaction involving organic compounds, often favored by conditions or controlled by mechanisms.

Reasonable Mechanism

A scientifically plausible explanation detailing the steps and interactions leading to the formation of products in a chemical reaction.

Di-sec-Butyl Ether

An ether compound formed by the dehydration reaction between two sec-butyl alcohol molecules, used as a solvent and chemical intermediate.