Anthracosis is caused by

Options

A. coal dust
B. iron dust
C. cane fibres
D. silica

Answer

**Step-by-Step Solution:**

1. **Understanding Anthracosis**: Begin by defining what Anthracosis is. It is a respiratory condition that results from the accumulation of certain types of dust in the lungs.

2. **Identifying the Cause**: The primary cause of Anthracosis is the inhalation of coal dust. This condition is classified as a form of pneumoconiosis, which is a disease caused by the inhalation of various types of dust.

3. **Effects on the Lungs**: Explain how Anthracosis affects the lungs. The deposition of coal dust leads to the darkening of lung tissue, which can be observed as the lungs become black in color. This condition particularly impacts the bronchi and the alveolar surface area.

4. **Relation to Other Factors**: Mention that Anthracosis can also be seen in individuals who smoke, as smoking can contribute to similar respiratory issues.

5. **Conclusion**: Based on the information gathered, conclude that the correct answer to the question is option A, which states that Anthracosis is caused by coal dust.

**Final Answer**: Anthracosis is caused by coal dust (Option A).

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