This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Dorsal root ganglia have 
Select and explain. 
A. Unipolar, B. Multipolar, C. Bipolar, D. Psudounipolar
D: Psudounipolar
Answer: D: Psudounipolar 
Explanation: Pseudounipolar neuron a unipolar neuron, almost always a primary sensory neuron, that was originally bipolar but whose two processes fused during development to form a single process that bifurcates at a distance from the cell body. One branch is structurally an axon with a myelin sheath but functions as a dendrite, with afferent conduction originating in a nerve ending.Ref: Ganong&;s review of medical physiology 23rd edition Page no: 81