What Is an Electrotonic Potential

question 48

Multiple Choice

What is an electrotonic potential?

• A) It is a change in membrane potential analogous to that evoked by an action potential.
• B) It is a graded potential that relies on the opening of voltage-gated ion channels.
• C) It is the potential change at the point of current injection.
• D) It is a graded potential that becomes progressively smaller as it spreads along the cell membrane.
• E) It is a spontaneous fluctuation in the resting membrane potential of a cell.

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