This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
Motor neuron of spinal cord is? 
Select and explain. 
A. Unipolar cell, B. Bipolar cell, C. Pseudo-unipolar cells, D. Multi-polar cells
D: Multi-polar cells
Answer: D: Multi-polar cells 
Explanation: Ans. D Multipolar cellsRef: Ganong, 25th ed. pg. 87Unipolar cellsInvertebrate cellsBipolar cellsBipolar cells of retinaPseudo-unipolar cellsGanglion cell of dorsal rootMulti-polar cellsMotor neuron of spinal cord Pyramidal cell of hippocampus Purkinje cell of cerebellum