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This process is called nerve conduction.

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11y ago

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What event follow the depolarization of neuron?

Repolarization is after depolarization. It descends to a region of hyper polarization where it is more polar than resting membrane potential


How is the resting potential different from repolarization?

The resting potential is the stable membrane potential of a cell at rest, typically around -70mV. Repolarization refers to the return of the membrane potential to its resting value after depolarization, where the cell becomes more negative again due to potassium channels opening.


What event follows after the depolarization of a neuron?

After depolarization, the neuron undergoes repolarization, during which the cell's membrane potential returns to resting state. This is followed by hyperpolarization, where the membrane potential briefly becomes more negative than the resting state, before returning to its baseline. Finally, the neuron enters a refractory period, during which it is temporarily unable to generate another action potential.


_____ is the process by which the neuron regains its negative resting membrane potential?

Repolarization


Opening of sodium channels in the membrane of a neuron results in?

depolarization.


When the ions are moving across the membrane during the depolarization and repolarization phases of an action potential they are moving by?

Depends on what stage you are talking about. Stimulus of sodium ions from dendrites of other neurons must reach a threshold. Once that threshold is reached, sodium ions quickly diffuse into the neuron via facilitative diffusion, depolarizing the neuron. Upon this occurring, sodium channels close and potassium ions are pumped out of the neuron via active transport, leading to repolarization of the neuron.


Circle the letter of the choice that describes an action potential?

An action potential is a rapid and transient change in membrane potential that travels along the axon of a neuron. It is characterized by depolarization, repolarization, and hyperpolarization of the cell membrane. The action potential is essential for transmitting electrical signals in the nervous system.


Potentials that are short lived and decremental are?

Action potentials in nerve cells are short-lived and decremental in nature. They involve a rapid depolarization and repolarization of the cell membrane, lasting only milliseconds. The strength of the signal diminishes as it travels along the neuron due to leakage of ions across the membrane.


Period during which potassium ions diffuse out of the neuron due to a change in membrane permeability?

Membrane potential - a nerve cell set and ready to fire;"The wave of reverse polarity" i.e. sodium versus potassium trans-cell-membrane ion passaging - a nerve cell firing; andRecharge period - the regeneration time.


Corresponds to the period of repolarization of the neuron?

The period of repolarization of a neuron corresponds to the time when potassium ions move out of the neuron, allowing the cell to return to its resting potential. This phase follows the peak of the action potential when sodium channels close and potassium channels open, leading to membrane potential restoration. Repolarization is essential for the neuron to be able to generate subsequent action potentials.


Is an action spike an impulse created by an excitable membrane when it reaches the threshold?

Yes, an action potential spike is generated when the membrane potential of a neuron reaches a certain threshold, causing a rapid depolarization and repolarization of the membrane. This creates a brief electrical impulse that propagates along the neuron's axon.


Which is the first step in a neuron production of an action potential?

Depolarization is the first event in action potential. During depolarization, the sodium gates open and the membrane depolarizes.