This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal tract, Subject name: Pediatrics
5 month old child with hepatomegaly, Ketosis, hyperuricemia and malaise, diagnosis ? 
Select and explain. 
A. Diabetes, B. Urea cycle defect, C. Glycogen storage disease, D. Mucopolysacchridosis
C: Glycogen storage disease
Answer: C: Glycogen storage disease 
Explanation: Glycogen storage disorders : hepatomegaly failure to thrive hypoglycemia ketosis acidosis hyperlipidemia intercurrent infections Ref : ESSENTIAL PEDIATRICS,O.P.GHAI, PG NO:636, 7th edition