<prompt> The lung pathology occurring in persons working in cotton- wool industries isAsthma like featuresHypersensitivity pnemonitisLung CaChronic bronchitis  <response>: Ans. a Asthma like featuresRef: Robbins 9th 689In 10-25 cases, disease may be progressive, with chest tightness recurring or persisting throughout the workweek.After 10 years of exposure, workers with recurrent symptoms are more likely to have an obstructive pattern on pulmonary function testing. 