Question

Transferring messages from a motor neuron to an arm muscle requires the neurotransmitter known as: (2 points)

dopamine

epinephrine

acetylcholine

glutamate

insulin

Answer 1

Acetylcholine

Step-by-step explanation:

• A neuron is a specialized cell of the nervous system that is responsible for the transmission of nervous signals in the body.
• A motor neuron is one of the three major types of neurons, others being sensory neuron and relay neuron.
• A motor neuron is responsible for the transmission of nerve impulses from the CNS to the effector organs, such as muscles and glands.
• Transmission of nerve impulses through the motor neuron to the muscles requires a chemical messenger known as acetylcholine, which is associated with movements among other activities.