This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'Arterial supply to epistaxis area are all except - \nSelect and explain. \nA. Greater palatine, B. Anterior ethmoidal, C. Posterior ethmoidal, D. Sphenopalatine', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Posterior ethmoidal o Epistaxis area is Little's area,o Four arteries contribute to little 9s area :Anterior ethmoidal arterySeptal branch of superior labial artery (Branch of facial A).Septal branch of sphenopalatine artery (Branch of maxillary A).Greater palatine artery (Branch of maxillary A).", 'role': 'assistant'}]