This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'Anterior 2/3 of tongue develops from \nSelect and explain. \nA. 1st branchial arch, B. 2nd branchial arch, C. 3rd branchial arch, D. 4th branchial arch', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The anterior two-thirds: From two lingual swellings which arise from the first branchial arch. Therefore, it is supplied by lingual nerve of first arch and chorda tympani of second arch The posterior one-third: From cranial large pa of the hypobranchial eminence, that is from the third arch. Therefore, it is supplied by the glossopharyngeal nerve The posterior-most pa from the fouh arch. This is supplied by the vagus nerve <img src=" /> Ref BDC volume 3,sixth edition pg 270', 'role': 'assistant'}]