Question

multiple choice question
an ______ neurotransmitter will bring the postsynaptic membrane closer to threshold and thus fire an action potential.
○ inhibitory
○ excitatory

Explanation:

Excitatory neurotransmitters depolarize the postsynaptic membrane, making it more likely to reach the threshold and fire an action potential. Inhibitory neurotransmitters hyper - polarize the membrane, making it less likely to fire.

Answer:

B. excitatory