An excitatory neurotransmitter results in increased neuronal permeability to
A) sodium and results in IPSPs.
B) sodium and results in EPSPs.
C) potassium and results in IPSPs.
D) potassium and results in EPSPs.

Question

Quizplus · Accepted Answer

An excitatory neurotransmitter, such as glutamate, binds to receptors on the postsynaptic neuron and results in the opening of sodium channels. This leads to an influx of positively charged sodium ions into the neuron, resulting in depolarization and the generation of excitatory postsynaptic potentials (EPSPs). Therefore, choice B is the correct answer.

An Excitatory Neurotransmitter Results in Increased Neuronal Permeability to