Pneumonia is caused by ___________________ bacteria .

Options

A. Treponema pallidum
B. Neisseria gonorrhoeae
C. Chlamydia trachomatis
D. Haemophilus influenza

Answer

**Step-by-Step Solution:**

1. **Understanding Pneumonia**: Pneumonia is an inflammatory condition of the lungs that affects the air sacs (alveoli) and can lead to symptoms such as cough, chest pain, fever, and difficulty in breathing.

2. **Identifying the Pathogens**: The question asks for the bacteria that cause pneumonia. The most common bacterial pathogens responsible for pneumonia are:
- **Streptococcus pneumoniae**: This is the most prevalent bacterium associated with pneumonia.
- **Haemophilus influenzae type b**: This is another significant bacterium that can cause pneumonia.

3. **Conclusion**: Based on the information provided, the answer to the question "Pneumonia is caused by ___________________ bacteria" would be:
- **Streptococcus pneumoniae** and **Haemophilus influenzae type b**.

4. **Final Answer**: Pneumonia is caused by **Streptococcus pneumoniae** and **Haemophilus influenzae type b** bacteria.

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