Both excitatory and inhibitory neurons form junctions with muscles.By what mechanism do inhibitory neurotransmitters prevent the postsynaptic cell from firing an action potential?

Question

Quizplus · Accepted Answer

Inhibitory neurotransmitters prevent the postsynaptic cell from firing an action potential by opening Cl- ion channels, which causes an influx of negatively charged ions into the cell, making the inside more negative and further from the threshold for firing an action potential. This is called hyperpolarization and makes it harder for the neuron to reach threshold and fire an action potential.

Both Excitatory and Inhibitory Neurons Form Junctions with Muscles