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': 'Hypokalemia in an infant may be due to all of the following except – \nSelect and explain. \nA. Adrenal tumor, B. Acute renal failure, C. Thiazide therapy, D. Diarrhea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hypokalemia\n\nHypokalemia is defined as serum potassium values of less than 3.5 meq/L.', 'role': 'assistant'}]