Hyperpolarization:
a. occurs during the latent period.
b. means the inside of the neuron is more negative than normal.
c. causes an action potential
d. all of the above.

Hyperpolarization may be defined as the process of change in the cell potential towards more negative. The hyperpolarization state occurs after repolarization state.

The restinf membrane potential of the cell is -70mV. The influx of calcium ions in the cell, causes the change in the membrane potential and makes the cell negative upto -90mV. Hence, the inside of the neuron become more negative than the normal cell potential.

Thus, the correct answer is option (b).

Hyperpolarization: a. occurs during the latent period. b. means the inside of the neuron is more negative than normal. c. causes an action potential d. all of the above.

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Hyperpolarization:
a. occurs during the latent period.
b. means the inside of the neuron is more negative than normal.
c. causes an action potential
d. all of the above.