Question

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When there is a strong stimulus, there is a change in the axon’s membrane potential and the threshold potential is reached. Choose the correct statement:

(traducido) Cuando hay un estímulo fuerte, hay un cambio en el potencial de membrana del axón y se alcanza el potencial umbral. Elija la declaración correcta:

a. Once the threshold potential is reached the sodium gates open and allow the flow of Na+ ions into the neuron, that turn the cytoplasm of the neuron into more negative and the voltage decreases.
b. Once the threshold potential is reached the sodium gates open and allow the flow of K+ ions into the neuron, that turn the cytoplasm of the neuron into more negative and the voltage decreases.
c. Once the threshold potential is reached the sodium gates open and allow the flow of Na+ ions into the neuron, that turn the cytoplasm of the neuron into more positive and the voltage starts increasing.
d. Once the threshold potential is reached the sodium gates open and allow the flow of K+ ions into the neuron, that turn the cytoplasm of the neuron into more positive and the voltage starts increasing.

Answer 1

Respuesta:

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