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': 'Which of the following is not tertiary level prevention- \nSelect and explain. \nA. Total mastectomy for breast cancer, B. Tendon transplant in leprosy, C. Physiotherapy in residual polio myelitis, D. Provision of spectacles for refractive errors', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Total mastectomy for breast cancer is treatment, hence it is a secondary level of prevention.\nIn case of tertiary prevention all actions are designed to limit the disability or provide vocational, social medical, or psychological rehabilitation.', 'role': 'assistant'}]