During the refractory period,the nerve fiber:

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(B) The refractory period is a short interval of time following an action potential during which the nerve fiber is unresponsive to a new stimulus. Du

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does not conduct any impulse.

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(B) The refractory period is a short interval of time following an action potential during which the nerve fiber is unresponsive to a new stimulus. During the absolute refractory period,the voltage-gated $Na^+$ channels are inactivated and cannot be reopened,meaning the neuron cannot generate another action potential regardless of the stimulus strength. Therefore,the nerve fiber does not conduct any impulse during this phase.

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