This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
Nerve fibers in greater, lesser and least splanchnic nerves are 
Select and explain. 
A. Preganlionic sympathetic, B. Postganglionic sympathetic fibers, C. Postganglionic parasympathetic fibers, D. Postganglionic parasympathetic fibers
A: Preganlionic sympathetic
Answer: A: Preganlionic sympathetic 
Explanation: They also provide the sympathetic innervation to the adrenal medulla, stimulating catecholamine release. The nerve travels inferiorly, lateral to the greater splanchnic nerve. Its fibers synapse with their postganglionic counterpas in the superior mesenteric ganglia, or in the aoicorenal ganglion. image ref- medscape.com