This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is not teiary level prevention \nSelect and explain. \nA. Total mastectomy for breast cancer, B. Tendon transplant in leprosy, C. Physiotherapy in residual poliomyelitis, D. Provision of spectacles for refractive errors', 'role': 'user'}, {'content': "Answer: A \nExplanation: Teiary prevention aims at improving the quality of life of that patient, who is in the late pathogenic phase of that disease Total mastectomy for breast cancer is a secondary prevention strategy Ref : Park's Textbook of Preventive and Social Medicine; 23rd edition - Pgno. 41", 'role': 'assistant'}]