Inhaled dust is an example of which mode of transmission?

Inhaled dust is classified under the airborne mode of transmission because airborne transmission involves the spread of infectious agents through small particles or droplets that remain suspended in the air over an extended period and can be inhaled. Dust particles can carry pathogens, and when these particles are inhaled, they can enter the respiratory system, leading to infection. This mode of transmission is critical for understanding how respiratory diseases, such as tuberculosis or certain types of influenza, can spread, especially in environments where dust and aerosols are prevalent.

The other options represent different modes of transmission: vehicle transmission refers to diseases spread by contaminated inanimate objects, vectors deal with living organisms like insects that transmit diseases, and reservoirs are the natural habitats of pathogens where they can live and multiply. Understanding these distinctions helps in implementing appropriate infection control measures in various settings.