One of the following is not a common disorder associated with digestive system.

Options

A. Tetanus
B. Diarrhoea
C. jaudice
D. Dysentery

Explanation

To solve the question, "One of the following is not a common disorder associated with the digestive system," we will analyze each option provided.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- A) Tetanus
- B) Diarrhea
- C) Jaundice
- D) Dysentery

2. **Understand Each Disorder**:
- **Tetanus**: This is a disease caused by a bacterial toxin that leads to painful muscle spasms, particularly affecting the jaw (lockjaw). It is not related to the digestive system.
- **Diarrhea**: This is a common digestive disorder characterized by frequent defecation of liquid stools. It is directly related to the digestive system.
- **Jaundice**: This condition is characterized by yellowing of the skin and eyes due to high levels of bilirubin in the blood, often related to liver dysfunction, which is part of the digestive system.
- **Dysentery**: This is an inflammatory disorder of the intestine, particularly the colon, leading to severe diarrhea with blood and mucus. It is also related to the digestive system.

3. **Determine Which is Not Related**:
- From the analysis, we see that:
- Tetanus is not a disorder of the digestive system.
- Diarrhea, jaundice, and dysentery are all related to digestive system disorders.

4. **Conclusion**: Therefore, the disorder that is not common to the digestive system is **A) Tetanus**.

### Final Answer:
The correct answer is **A) Tetanus**.

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