A venereal or sexually transmitted disease is

Options

A. Diphtheria
B. Leprosy
C. Syphilis
D. Tetanus

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for an example of a venereal or sexually transmitted disease (STD).

2. **Analyzing the Options**:
- **Option A: Diphtheria**: This is primarily transmitted through respiratory droplets when an infected person sneezes or coughs. It is not classified as a sexually transmitted disease.
- **Option B: Leprosy**: This disease is also not sexually transmitted; it is caused by bacteria and spreads through prolonged contact with an infected person.
- **Option C: Syphilis**: This is a well-known sexually transmitted disease caused by the bacterium Treponema pallidum. It is transmitted through sexual contact.
- **Option D: Tetanus**: This disease is caused by a bacterial infection that occurs through wounds or injuries, particularly from contaminated objects, and is not sexually transmitted.

3. **Identifying the Correct Answer**: Among the options provided, syphilis (Option C) is the only disease that is classified as a sexually transmitted disease.

4. **Conclusion**: Therefore, the correct answer to the question is **Option C: Syphilis**.

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