This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins, Fats, Rich Sources, Subject name: Social & Preventive Medicine
[{'content': 'How much amount of energy is yielded by one gm of alcohol in the body? \nSelect and explain. \nA. 1 cal, B. 4 cal, C. 7 cal, D. 9 cal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alcohol supplies about 7cal/gm of energy. Energy yield of macro-nutrients (Proximate principles): Nutrient Energy yield Carbohydrates 4 cal per gram (17 KJ) Proteins 4 cal per gram (17 KJ) Fats 9 cal per gram (37 KJ)', 'role': 'assistant'}]