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: Pediatrics
[{'content': 'A five year old child presents to the emergency depament with burns. The burn area corresponding to the size of his palm is equal to: \nSelect and explain. \nA. 1%BSA, B. 5%BSA, C. 10%BSA, D. 20%BSA', 'role': 'user'}, {'content': 'Answer: A \nExplanation: According to the rule of palm,burn area corresponding to the size of palm is 1%. Ref: Nonprescription product therapeutics By W. Steven Pray, page 547.', 'role': 'assistant'}]