Question

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Q4.5. Why do neurons generate an action potential, instead of simply relying on the opening of ion channels near the
stimulus site to transmit information?

Answer 1

Answer:

Because without the action potential, changes in Vm at the stimulus site. Your Welcome!

Answer 2

Neurons generate an action potential to generate a change in the charge of the membrane, that is, they increase the charge values, subsequently creating the opening of ion channels.

The action potentials that are generated between neurons occur when variations in electrical potentials occur, which in turn produce a change in the membrane at rest, causing the membrane to depolarize.

• The stimulation that causes an electrical change of sufficient excitatory intensity to occur in the membrane of the neuron is called depolarization.

• After that, the potassium channels of the membrane begin to open, which, since they are also a positive ion and are entering these en masse, will be repelled and will begin to leave the cell.

• Ions are the body's way of transferring information from one tissue to another.

• Once the action potential reaches the terminal button of the neuron, it is responsible for secreting chemical substances: neurotransmitters that allow connectivity from one neuron to another.

Therefore, we can conclude that neurons generate an action potential to generate a change in the charge of the membrane, that is, they increase the charge values, subsequently creating the opening of ion channels.

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