<prompt> Which of the following is occupational lung disease but not pneumoconiosis?BrucellosisSilicosisAnthracosisByssinosis  <response>: Ans. a Brucellosis. Ref. Park, Textbook of PSM, 17th ed., 576OCCUPATIONAL DISEASES:Disease due to physical agents1HeatHeat hyperpyrexia, burns, prickly heat2ColdTrench foot, frost bite, chilblains3LightCataract, miners nystagmus4PressureCaissons disease5NoiseDeafness6RadiationCancer, leukemia, aplastic anaemia, pancytopenia7Mechanical factorInjuries8ElectricityBurnsDue To Chemical Agents1.Gases: CO2, CO, HCN, CS22.Dusts Pneumoconiosis3.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. lungGrainhay dustFarmers 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. 