The Magnitude of Depolarization at the Peak of an Action

question 114

Multiple Choice

The magnitude of depolarization at the peak of an action potential is dependent on what factor?

• A) the length of the refractory period
• B) the size of the stimulus
• C) the concentration of sodium and potassium ions
• D) the strength of the electrochemical gradient for sodium and potassium ions relative to their permeability to these ions
• E) the size of the graded potential

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