Which is not a symptom of exophthalmic goitre?

Options

A. Degenerating sex organs
B. Protrusion of eyeball
C. Frightened look to the patient
D. Hyperthyroidism

Answer

To determine which option is not a symptom of exophthalmic goitre (also known as Graves' disease), we will analyze each option provided in the question.

### Step-by-step Solution:

1. **Understanding Exophthalmic Goitre**:
- Exophthalmic goitre is a condition caused by hyperthyroidism, which is an excess secretion of thyroid hormones. It is commonly associated with Graves' disease.

2. **Identifying Symptoms of Exophthalmic Goitre**:
- Common symptoms include:
- Protrusion of the eyeballs (exophthalmos)
- Increased basal metabolic rate (BMR)
- Nervousness or a frightened appearance
- Weight loss despite increased appetite
- Heat intolerance
- Increased sweating

3. **Analyzing the Options**:
- **Option 1: Degenerating sex organs**: This symptom is not associated with exophthalmic goitre. Instead, it relates to deficiencies in the sex glands, such as the ovaries or testes.
- **Option 2: Protrusion of eyeballs**: This is a classic symptom of exophthalmic goitre.
- **Option 3: Frightened look to the patient**: This can be associated with the nervousness and anxiety often seen in hyperthyroidism.
- **Option 4: Hyperthyroidism**: This is the underlying condition of exophthalmic goitre.

4. **Conclusion**:
- The option that is not a symptom of exophthalmic goitre is **Option 1: Degenerating sex organs**.

### Final Answer:
**Degenerating sex organs** is not a symptom of exophthalmic goitre.