Question

multiple choice question
coal workers pneumonia is due to exposure to:
please select your answer...
a asbestos
b tin
c silica

Explanation:

Coal worker's pneumonia, also known as coal worker's pneumoconiosis, is caused by long - term exposure to coal dust. However, among the given options:

• Asbestos exposure is associated with asbestosis and mesothelioma.
• Tin exposure can cause some metal - related lung issues but not coal worker's pneumonia.
• Silica exposure is related to silicosis. But if we consider the nature of coal dust (which contains silica in some forms in the context of mining and exposure scenarios in coal mines where silica - containing rocks might be present during coal extraction), and if we assume this is a case of mis - naming (as coal worker's pneumoconiosis is mainly coal dust but in some mining co - exposure with silica can occur and in some classification systems when there is co - exposure with silica - like in some hard coal mining where silica - bearing rocks are present), silica is the closest in the given options.

Answer:

C. Silica