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': 'Which of the following is occupational lung disease but not pneumoconiosis? \nSelect and explain. \nA. Brucellosis, B. Silicosis, C. Anthracosis, D. Byssinosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. a (Brucellosis). (Ref. Park, Textbook of PSM, 17th ed., 576)OCCUPATIONAL DISEASES:Disease due to physical agents1HeatHeat hyperpyrexia, burns, prickly heat2ColdTrench foot, frost bite, chilblains3LightCataract, miners nystagmus4PressureCaisson's disease5NoiseDeafness6RadiationCancer, leukemia, aplastic anaemia, pancytopenia7Mechanical factorInjuries8ElectricityBurnsDue To Chemical Agents1.Gases: CO2, CO, HCN, CS22.Dusts (Pneumoconiosis)3.Metal and their hazards: Pb, Hg, Cd, Mn, Ar, Cr4.Chemicals: Pesticides, acids, alkalies5.Solvents: Carbon disulphide, benzene, chloroform Inorganic dustInorganic dustDisease causedSilicaSilicosisIronSiderosisCoal dustAnthracosisAsbestosAsbestosis, Ca. lungGrain/hay dustFarmer's lungTobaccoTobacosisCotton dustByssinosisSugarcaneBagasosisDue to biological gents# Brucellosis, leptospirosis, anthrax, actinomycosis, hydatid, psittacosis, tetanus, fungal# Occupational cancers (e.g. Skin, lung, bladder)# Dermatosis# Psychological diseases (e.g. Neurosis, HTN, APD).", 'role': 'assistant'}]