What is the disease Tetanus also known as

Options

A. Gangrene
B. Shingles
C. Lockjaw
D. Whooping cough.

Answer

### Step-by-Step Solution:

1. **Understanding Tetanus**: Tetanus is a disease caused by a bacterial infection. It is important to know the characteristics of this disease to identify its alternative name.

2. **Symptoms of Tetanus**: The disease is primarily characterized by muscular spasms. These spasms often begin in the jaw, making it difficult for the affected person to open their mouth.

3. **Progression of Symptoms**: After starting in the jaw, the spasms can spread to the rest of the body, leading to severe complications, including fractures due to intense muscle contractions.

4. **Causing Agent**: Tetanus is caused by a bacterium known as Clostridium tetani. Understanding the causative agent helps in recognizing the nature of the disease.

5. **Alternative Name**: Due to the characteristic muscle spasms that begin in the jaw, tetanus is commonly referred to as "lockjaw." This term reflects the difficulty in opening the mouth, which is a hallmark symptom of the disease.

6. **Eliminating Incorrect Options**:
- **Gangrene**: This is a condition involving tissue death due to lack of blood flow, not related to jaw spasms.
- **Shingles**: This is caused by a virus and leads to painful rashes, not related to jaw issues.
- **Whooping Cough**: This is a respiratory disease and does not involve the jaw.

7. **Conclusion**: The correct alternative name for tetanus is "lockjaw."