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
Number of calories in 100 grams of breast milk is: September 2007 
Select and explain. 
A. 45 Kcal, B. 65 Kcal, C. 85 Kcal, D. 105 Kcal
B: 65 Kcal
Answer: B: 65 Kcal 
Explanation: Ans. B: 65 Kcal Each 100 grams of breast milk yields approximately: 65 Kilocalories 88 g water 7.4 g carbohydrates (primarily lactose) 3.4 g fat 1.1 g protein