14) Which of the following corresponds to a neuron's membrane potential before, during and following an...

14) Which of the following corresponds to a neuron's membrane potential before, during and following an action potential?

Resting potential, action potential, repolarization, depolarization, resting potential, hyperpolarization

Resting potential, depolarization, action potential, repolarization, hyperpolarization, resting potential

Hyperpolarization, resting potential, depolarization, action potential, repolarization, resting potential

Resting potential, hyperpolarization, repolarization, depolarization, action potential, resting potential

Solutions

Expert Solution

B. Resting membrane potential, depolarization, action potential, repolarization, hyperpolarization, resting potential

Resting potential - membrane potential when cell is not stimulated
Depolarization - following stimulation the membrane potential rises (becomes positive)
Action potential - when membrane potential reaches threshold then it results in action potential
Repolarization - after some time, membrane potential begins to fall again
Hyperpolarization - this happens due to delayed opening of K+ channel. Membrane potential falls below testing potential.
Resting potential - this ensures that cell is able to excite once again.

Graph for action potential

Before 1 - resting potential (at - 80 mV)
Depolarization - when membrane potential rises from -80 mV
Action potential - 2
Repolarization - 3
Hyperpolarization - 4

Sydney Mullin answered 1 year ago

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