Nerve impulse initiates with the movements of

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(D) The initiation of a nerve impulse occurs when a stimulus is applied to a neuron. This stimulus causes the opening of voltage-gated $Na^+$ channels

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$Na^+$

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(D) The initiation of a nerve impulse occurs when a stimulus is applied to a neuron. This stimulus causes the opening of voltage-gated $Na^+$ channels. Consequently,$Na^+$ ions rush into the axoplasm from the extracellular fluid. This rapid influx of $Na^+$ ions causes the membrane potential to change from a resting state (negative) to a depolarized state (positive),which is the fundamental step in the generation of an action potential.

Similar Questions

Which has the highest speed of nerve impulse?

Select the correct option for the permeability of the axonal membrane in a resting state for $K^{+}$,$Na^{+}$,and negatively charged proteins.

Identify the incorrect statement.

The potential difference in the membrane,which is responsible for the conduction of an impulse,is brought about by a change in the membrane:

When a neuron is in a resting state,i.e.,not conducting any impulse,the axonal membrane is:

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