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Home Q & A Board Biology-Related Homework Help General Biology
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chelology chelology
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7 years ago
The nerve impulses always travel in one direction from dendrites to axon terminals. What prevents an action potential from travelling backward?
Select one:
a. After repolarization, the refractory period occurs, where the sodium ions are found outside the cell.
b. The refractory period prevents another action potential by lowering the threhold potential.
c. After repolarization, the reversal of ions prevents another action potential as there would not be enough sodium ions outside the cell to rush in.
d. Hyperpolarization of the neuron makes the membrane more positive and prevents another action potential.
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bio_manbio_man
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7 years ago
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chelology Author
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Thank you, thank you, thank you!
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