This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Disorders, Subject name: Pediatrics
[{'content': 'Large doses of vitamin-K in a newborn causes? \nSelect and explain. \nA. Bulging of posterior fontanel, B. Hemolytic anemia, C. Convulsions, D. Hyperprothombinemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ANSWER: (B) Hemolytic anemiaREF: KDT 7zhedp. 596Effects of large doses of Vitamin-KRapid iv injection causes breathlessness, sense of constriction, fall in BPHemolysis, especially in G6P deficiencyKernicterus in newborns', 'role': 'assistant'}]