This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
[{'content': 'Doughy skin and woody induration of tongue is seen in \nSelect and explain. \nA. Hyponatremia, B. Hypernatremia, C. Hypokalemia, D. Hyperkalemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hypernatremia is defined as a serum sodium concentration of greater The skin can feel doughy or velvety due to intracellular water loss and Woody indurations on tongue are seen Ref Davidson 23rd edition pg 345', 'role': 'assistant'}]