A nerve impulse is generated in a nerve fiber | vedclass

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(C) When a stimulus is applied to a nerve fiber,the permeability of the axonal membrane to $Na^+$ ions increases significantly.This leads to a rapid i

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Sodium ions

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(C) When a stimulus is applied to a nerve fiber,the permeability of the axonal membrane to $Na^+$ ions increases significantly.This leads to a rapid influx of $Na^+$ ions into the intracellular space,causing depolarization of the membrane.This change in membrane potential results in the generation of an action potential or nerve impulse.Therefore,the membrane becomes more permeable to $Na^+$ ions during the initiation of a nerve impulse.

$A$ nerve impulse is generated in a nerve fiber when the membrane becomes more permeable to:

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