This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Sodium and Potassium, Subject name: Pediatrics
In a child who has diarrhea and vomiting with inadequate water intake, which of the following is seen: 
Select and explain. 
A. Intracellular dehydration with hypernatremia, B. Intracellular dehydration with hyponatremia, C. Extracellular dehydration with hyponatremia, D. Extracellular dehydration with hypernatremia
A: Intracellular dehydration with hypernatremia
Answer: A: Intracellular dehydration with hypernatremia 
Explanation: Diarrhea- water losses exceeds sodium losses, potentially leading to hypernatremia Most children with gastroenteritis do not have hypernatremia- drink enough fluid to compensate for stool water losses. But in this case, baby has inadequate water and fluid intake, he is at risk of developing hypernatremic dehydration.