This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'All of the following mediate erection of penis except - \nSelect and explain. \nA. Pudendal nerve, B. Sacral plexus, C. Hypogastric plexus, D. Nervi erigentes (S234)', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The erection of penis is by parasympathetic supply in which afferent is by pudendal nerve and sacral plexus while efferent is by pelvic splanchnic nerve (nervi erigentis).', 'role': 'assistant'}]