This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Occupational Health, Subject name: Social & Preventive Medicine
[{'content': '"Snow-storm" appearance are seen in: \nSelect and explain. \nA. Anthracosis, B. Silicosis, C. Byssinosis, D. Bagassis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Silicosis): Ref (711-Park 20th)1. SILICOSIS: X-ray chest shows "snow-storm" appearance in the lung fields silicosis is progressive and what is more important is that silicosis are prone to pulmonary tuberculosis (Silicotuberculosis)2. Anthracosis: Coal minor pneumoconiosis - leads to development of progressive massive fibrosis (PMF)3. Byssinosis: Inhalation of cotton fibres.Bagassis: inhalation of bagasse or sugar cane dust', 'role': 'assistant'}]