This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Carbohydrate Metabolism, Subject name: Pediatrics
[{'content': 'In children with classical galactosemia all are true except: \nSelect and explain. \nA. E. coli neonatal sepsis is common, B. Elimination of galactose in diet will not reverse cataract, C. Galactose conves to galactitol which is toxic to brain, D. Children with Duae variant of galactosemia are asymptomatic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: E. coli sepsis is common and the onset often precedes the diagnosis of galactosemia Elimination of galactose reverse growth failure, cataract, renal and hepatic dysfunction Galactokinase deficiency -> accumulation of galactose and galactitol Duae variant- a single amino acid substitution, has 50% of normal enzyme activity- asymptomatic', 'role': 'assistant'}]