This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy 3, Subject name: Anatomy
[{'content': 'Which of the following ganglia does not contain postganglionic parasympathetic neurons? \nSelect and explain. \nA. Celiac, B. Ciliary, C. Otic, D. Pterygopalatine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The celiac ganglion is a sympathetic preveebral (collateral) ganglion that contains postganglionic neurons. In parasympathetic system(cranial pa) there are four small peripheral ganglia - ciliary, pterygopalatine, submandibular and otic', 'role': 'assistant'}]