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': 'The anterior part of scalp drains into which of the following lymph nodes \nSelect and explain. \nA. Parotid lymph nodes, B. Mastoid lymph nodes, C. Occipital lymph nodes, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The anterior part of the scalp drains into the preauricular or parotid lymph nodes, situated on the surface of the parotid gland. The posterior part of the scalp drains into the posterior auricular or mastoid and occipital lymph nodes.', 'role': 'assistant'}]