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': 'Screening for which of the following disease is suggested in pre placement medical examination before employment in dye industry: \nSelect and explain. \nA. Bladder cancer, B. Anaemia, C. Tuberculosis, D. Hypeension', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Prior to placement in dye industry, medical examination should be done to screen for asthma, skin, bladder and kidney diseases and precancerous lesions. Ref: Park 21st edition page: 753.', 'role': 'assistant'}]