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 5-month old formula fed infant has been brought with complaints of watery diarrhoea of 2 days duration and irritability of one day duration.He had been receiving WHO ORS at home. Physical examination reveals a markedly irritable child with a rather doughy skin and rapid pulse.The most likely diagnosis is- \nSelect and explain. \nA. Meningitis, B. Encephalitis, C. Hyponatremic dehydration, D. Hypernatremic dehydration', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Hypernatremic dehydration o This child has i) Irritability ii) Doughy skin iii) History of ORS taken at home o Irritability and doughy skin is seen in hypernatremic dehydration. o Hypernatremic dehydration occurs when fluid is given with more salts. o This child must have taken more ORS than fluid i.e., concentrated ORS. o About hyponatremic dehydration There is drowsiness (not irritability) Skin is dry inelastic (not doughy).", 'role': 'assistant'}]