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: Social & Preventive Medicine
[{'content': 'Breast milk is deficient in which vitamin \nSelect and explain. \nA. Vitamin A, B. Vitamin B1, C. Vitamin K, D. Vitamin C', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., Vitamin K Exclusive breasfed infants may have following deficiencies - Vit B12 (if mother is strict vegetarian) Fluoride Vit D Vit K "Breastfed infants are protected as the breastmilk contains adequate amounts of vitamin C, except when the mother is deficient in Vitamin C".', 'role': 'assistant'}]