Scenario 6-1: Custodial staff (also known as janitors or cleaners) are the unsung heroes of the workplace. Going about their work while many of us are in bed, they deal with a whole host of situations that bring them into contact with a wide range of chemical and biological agents. They are exposed to residues left in the air and on surfaces from manufacturing processes, from service operations, and from human excretions (sweat, body oils, from sneezing, and so on). While employees of the firms that they service receive training about specific chemical and biological hazards, the custodial staff are often unaware of some of the hazards that they may encounter.
-Custodial staff are exposed to aerosols through the cleaning products they use and as a by-product of mechanical and human activity at each workplace where they clean.What is the part of the respiratory system that is spiral shaped and could be protected from aerosols by wearing a face mask?

Question

Quizplus · Accepted Answer

Turbinates are spiral-shaped bones in the nasal cavity that help to filter and humidify air before it enters the lungs. Wearing a face mask can help to protect these structures from exposure to aerosols and other airborne particles. Cilia are tiny hair-like structures in the respiratory system that help to clear mucus and debris, alveoli are air sacs in the lungs where gas exchange occurs, and macrophages are immune cells that help to clear foreign particles from the lungs. While all of these structures are important for respiratory health, they are not directly protected by wearing a face mask.

Scenario 6-1: Custodial Staff (Also Known as Janitors or Cleaners)