You find a neuron that is releasing acetylcholine onto a muscarinic receptor on its target cell. When you trace the axon back to the spinal cord, you see that it is part of the nerve coming from the upper regions of the spinal cord. Based on its anatomy, you should classify this neuron as

parasympathetic.

Explanation:

This neuron in the question is a parasympathetic type of neuron that releases the acetylcholine onto the target cell. It is the part of the nerve coming from the upper regions of the spinal chord.

The nervous system mainly is composed of the cranial spinal nerves and the . The preganglionic neurons that arises from the brain or from the sacral spinal cord.

Therefore, the correct answer is "parasympathetic" neuron.