Question

the primary neurotransmitter at the neuromuscular junction is __________. multiple choice dopamine adrenaline acetylcholine histamine serotonin

Explanation:

Acetylcholine is the neurotransmitter that is released from motor - neurons to stimulate muscle contraction at the neuromuscular junction. Other neurotransmitters like dopamine, adrenaline, histamine, and serotonin have different functions in the nervous system and are not primary at the neuromuscular junction.

Answer:

C. acetylcholine