When Neurotransmitters Plug into the Appropriate Neuron Receptors, Sodium Ions

Multiple Choice

When neurotransmitters plug into the appropriate neuron receptors, sodium ions very briefly flood through potassium channels like water through dam floodgates. This changes the neuron's electrical balance and is called

A) an action potential.
B) an absolute refractory period.
C) a graded potential.
D) an anion.
E) an induced potential.