Once an Action Potential Is Initiated, There Is a Period

question 244

Multiple Choice

Once an action potential is initiated, there is a period that must elapse before Na⁺ channels can be activated again to generate another action potential.This is called the _______ period.

• A) membrane depolarization
• B) membrane hyperpolarization
• C) refractory
• D) undershoot
• E) after-hyperpolarization

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