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Neuronal excitation can be caused electrically or chemically, such as a response caused by specific neurotransmitters binding to receptors of a neuron.

Which of the following is FALSE about neuronal excitation?


Right at the excitation location, the potential is positive inside the membrane and negative outside the membrane.


During the neuronal excitation, the membrane becomes more permeable to sodium ions.


In a reflex, the excitation is passed along the axon bi-directionally.


The uneven distribution of potassium and sodium ions across the neuronal membrane is the basis for neuronal excitation.

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