Q. Siderosis is a disease caused by the inhalation of ____:
Answer: Iron dust
Notes: Siderosis, also known by the name of Welder’s Lung is a pathological condition of the lungs caused by chronic exposure to iron oxide dust, usually at the workplace. Siderosis is considered to be an occupational illness because people breathe in the iron dust at work. The condition usually shows up on X-rays as small, opaque spots on the worker’s lungs.