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Demonstrate that a 100 mV change in potential (this is approximately the size of a single action potential that

goes from -60 mV to +40 mV) require very few ions. This, in turn, should be used to support the claim that the concentrations of ions do not really change during an action potential, even though its true that Na+ enters the cell and K+ leaves the cell, we still assume that the concentrations of ions inside and outside the cell DO NOT CHANGE.

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