Answer to Question #323439 in Psychology for BREZZY

Question

Which statement describes a neurotransmitter?

A.

A chemical substance released by presynaptic terminal button that acts on the postsynaptic cell to aid in impulse conduction.

B.

A hyperpolarising current that causes the membrane potential to become more negative and further away from the threshold of excitation.

C.

A layer of fatty cells that allows an impulse signal to travel very rapidly from one neuron to another.

D.

A gray matter in the cell body that lies outside the unmyelinated neuron.