Which set of sign and symptoms are related to pneumonia?

Options

A. Infection in nasal cavity, headache, pain in stomach
B. Infection in alveoli, chills , fever and cough
C. Sore throat, nasal discharge and constipation
D. Intestinal infection, persistent fever.

Answer

### Step-by-Step Solution:

1. **Understanding Pneumonia**:
- Pneumonia is defined as an infection that primarily affects the lungs. It can be caused by various pathogens including bacteria, viruses, and fungi.

2. **Identifying the Cause**:
- The infection in pneumonia is often caused by bacteria, but it can also be due to viruses or fungi. This is important to note as it helps in understanding the nature of the disease.

3. **Recognizing the Inflammation**:
- Pneumonia leads to inflammation in the lungs, specifically in the air sacs known as alveoli. This inflammation is a response to the infection.

4. **Effects of Inflammation**:
- The inflammation in the alveoli results in them being filled with fluid or pus. This accumulation of fluid impairs normal gas exchange, leading to breathing difficulties.

5. **Common Symptoms**:
- The main symptoms associated with pneumonia include:
- **Cough**: Due to the irritation and fluid in the alveoli.
- **Fever**: A common response to infection.
- **Chills**: Often accompanying fever, indicating the body’s response to infection.
- **Difficulty Breathing**: Resulting from the fluid in the alveoli.

6. **Conclusion**:
- Based on the above points, the signs and symptoms related to pneumonia include infection in the alveoli, chills, fever, and cough.

### Final Answer:
The set of signs and symptoms related to pneumonia includes:
- Infection in Alveoli
- Chills
- Fever
- Cough

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