Disease called pleurisy is due to

Options

A. inflammation of pleura
B. inflammation of trachea
C. inflammation of alveoli
D. none of these above

Answer

### Step-by-Step Solution:

1. **Understanding Pleurisy**:
- Pleurisy is a medical condition that involves inflammation of the pleura, which are the membranes surrounding the lungs and lining the chest cavity.

2. **Identifying the Cause**:
- The primary cause of pleurisy is the inflammation of the pleura itself, which can occur due to various reasons such as infections, autoimmune diseases, or other underlying health conditions.

3. **Evaluating the Options**:
- **Option 1**: Inflammation of pleura - This is the correct answer because pleurisy is indeed characterized by the inflammation of the pleura.
- **Option 2**: Inflammation of trachea - This is incorrect as pleurisy does not involve the trachea.
- **Option 3**: Inflammation of alveoli - This is also incorrect because pleurisy specifically refers to the inflammation of the pleura, not the alveoli.
- **Option 4**: None of these - This option is incorrect since option 1 is the right answer.

4. **Conclusion**:
- The correct answer to the question "Disease called pleurisy is due to" is **inflammation of pleura**.