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': 'Facial nerve stimulation during testing of nerve indicated by contraction of which muscle? \nSelect and explain. \nA. Temporalis, B. Masseter, C. Sternocleidomastoid, D. Orbicularis oris', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Facial nerve supplies the muscles of the facial expression like orbicularis oris.\xa0\nMuscles of mastication like masseter and temporalis are supplied by the mandibular nerve, a branch of trigeminal nerve.\nSpinal accessory nerve supplies sternocleidomastoid and the trapezius.', 'role': 'assistant'}]