Which Statement Is NOT True About the Development of an Action

question 77

Multiple Choice

Which statement is NOT true about the development of an action potential?

• A)There is a rapid change in polarity from about -65 mV to about +40 mV.
• B)It requires two types of gated channels.
• C)The action potential ends when the polarity across the membrane reaches +40 mV.
• D)Depolarization occurs when sodium gates open and allow sodium ions to enter the cell.
• E)Potassium gates open after the sodium gates and allow potassium ions to leave the cell.

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