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
Doughy skin and woody induration of tongue is seen in 
Select and explain. 
A. Hyponatremia, B. Hypernatremia, C. Hypokalemia, D. Hyperkalemia
B: Hypernatremia
Answer: B: Hypernatremia 
Explanation: 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