Zandra Is Studying About the Ions Involved in the Action

Multiple Choice

 Zandra is studying about the ions involved in the action potential. She records in her notes that ____.

A) the concentration of sodium remains more concentrated outside the neuron than inside even during an action potential
B) the concentration of potassium remains more concentrated outside the neuron than inside even during an action potential
C) the concentration of sodium and potassium equalize across the membrane during an action potential
D) during an action potential, the sodium channels stay open for a long period of time