General Studies · Biological Bases of Behavior
Consider the following four stages of neuronal action potential: (1) Resting membrane potential of -70 mV maintained by the sodium-potassium pump. (2) Polarized state of the lipid-protein neuronal membrane with selective permeability. (3) Excitatory stimulation causes sodium influx, depolarization, and action potential generation. (4) Inactivation of sodium channels and opening of potassium channels repolarize the neuron to resting potential. Which sequence represents the correct chronological order of events?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1) → (3) → (2) → (4)
- 2(3) → (2) → (1) → (4)
- 3(2) → (1) → (3) → (4)✓
- 4(1) → (2) → (3) → (4)
Correct answer
(2) → (1) → (3) → (4)
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