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': 'The pattern of change of disease trends of moality and morbidity where the pandemics infection are replaced by degenerative and man-made disorders, the main cause of morbidity and the most frequent cause of fatality is known as: \nSelect and explain. \nA. Cross transition, B. Paradoxical transition, C. Epidemiological transition, D. Demographic transition', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Epidemiological transition is a phase of development witnessed by sudden and stark increase in population growth rates brought about by medical innovation in disease or sickness therapy and treatment And followed by a releveling of population growth from subsequent declines in feility. Ref: Health Transition Epidemiological transition theory was originally given by Abdel Orman in 1971.', 'role': 'assistant'}]