This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disease Causation, Measurements, Milestones, Subject name: Social & Preventive Medicine
[{'content': 'Epidemiological transition ratio is defined as:- \nSelect and explain. \nA. Ratio of DALYs caused by CMNNDs to those caused by NCDs and injuries, B. Ratio of YLL caused by CMNNDs to those caused by NCDs and injuries, C. Ratio of YLL caused by NCDs and injuries to those caused by CMNNDs, D. Ratio of DALYs caused by NCDs and injuries to those caused by CMNNDs *CMNNDs (Communicable, Maternal, Neonatal and Nutritional diseases)', 'role': 'user'}, {'content': "Answer: A \nExplanation: Epidemiological Transition Ratio is defined as the ratio of DALYs caused by CMNNDs (Communicable, maternal, neonatal, and nutritional diseases) to those caused by NCDs and injuries. A ratio >1 indicates a higher burden of CMNNDs than NCDs and injuries, while a ratio <1 indicates the opposite. The lower the ratio, the greater the contribution of NCDs and injuries to a state's overall disease burden.", 'role': 'assistant'}]