This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
[{'content': 'Lung disease seen in Coal and Rock mine rs? \nSelect and explain. \nA. Anthracosis, B. Byssinosis, C. Bagassosis, D. Silicosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: -Anthracosis is occupational disease seen in coal miners. -studies indicate that there are two general phases in coal miners pneumoconiosis; simple pneumoconiosis is associated with ventilatory impairment. second phase is characterized by progressive massive fibrosis that cause severe respiratory disability and premature death. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:806 <\\p>", 'role': 'assistant'}]