Activation of _______ nAChRs enhances neurotransmitter release from the nerve terminal by depolarizing it, and does not affect firing of the receiving cell.
A) presynaptic brain
B) postsynaptic brain
C) presynaptic muscle cell
D) postsynaptic muscle cell

Question

Quizplus · Accepted Answer

Activation of presynaptic nAChRs enhances neurotransmitter release from the nerve terminal by depolarizing it, and does not affect firing of the postsynaptic cell. This is because the nAChRs are located on the presynaptic neuron and their activation leads to an increase in intracellular calcium which ultimately triggers the release of neurotransmitter from the vesicles in the presynaptic terminal. The postsynaptic cell is not directly affected by this process.

Activation of _______ NAChRs Enhances Neurotransmitter Release from the Nerve