This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Embryology, Subject name: Anatomy
[{'content': 'Number of hillocks from which auricle is developed- \nSelect and explain. \nA. 2, B. 4, C. 6, D. 8', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 6 o Pinna (Auricle) develops from both 1st and 2nd pharyngeal arch (Branchial arch): -Tragus and anterior crus of helix - 1st arch.Rest of the pinna - 2nd arch.o It developls from six tubercles (hillocks) which appear around the first branchial cleft,o Faulty- fusion between the first and the 2nd arch tubercles causes preauricular sinus or cyst.", 'role': 'assistant'}]