Question

multiple choice question 28 of 36 concepts completed an excitatory postsynaptic potential (epsp) occurs when neurotransmitters bind to their receptors and open chemically - gated channels. need help? review these concept resources. sodium calcium magnesium potassium

Explanation:

An excitatory postsynaptic potential (EPSP) occurs when neurotransmitters bind to their receptors and open chemically - gated sodium channels. Sodium ions then flow into the postsynaptic neuron, depolarizing it and making it more likely to fire an action potential.

Answer:

D. sodium