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: Unknown
[{'content': 'False regarding chorda tympani \nSelect and explain. \nA. Contains motor nerves that supplies facial muscles, B. Contains secretomotor nerves that supplies salivary gland, C. Contains sensory neurons that supplies anterior 2/3rd of tongue, D. Passes through the petrotympanic fissure', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Contains motor nerves that supplies facial muscles\nChorda tympani\n\nThe chorda tympani is a nerve that branches from the facial nerve (cranial nerve VII) inside the facial canal, just before the facial nerve exits the skull via the stylomastoid foramen.\nIt serves the taste buds in the front of the tongue, runs through the middle ear, and carries taste messages to the brain.\n\n\xa0\nNerve fibers of chorda tympani', 'role': 'assistant'}]