This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatrics, Subject name: Social & Preventive Medicine
[{'content': 'Present in human milk - \nSelect and explain. \nA. CaCO3, B. Ca & P, C. K lactate, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Ca & P NutrientContent /100 mlMacronutrientso Calories67 kcalo Proteins1 lgo Fat3.5 go Lactose7.0 gMinerals / Micronutrientso Sodium0.9mEqo Potassium1.4mEqo Calcium35 mgo Phosphorus15mgo Iron30-50 go Zinc120 gVitaminso Vitamin A60 go Vitamin C5.2 mg", 'role': 'assistant'}]