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An Above-Threshold Depolarizing Current Is Applied to the Cell, but It

Question 74

Multiple Choice

An above-threshold depolarizing current is applied to the cell, but it is slightly above the required threshold for the action potential. As a result, __________.


A) the action potential occurs more slowly
B) the action potential will be the same size and propagated at the same speed as if the depolarizing current was applied at threshold levels
C) the action potential occurs more quickly and is larger
D) the action potential will be smaller and propagated slightly slower than if the depolarizing current was applied at threshold levels

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