Ringworm of the scalp is caused by

Options

A. Microsporum
B. Aspergillus
C. Penicillium
D. Alternaria

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks about the causative agent of ringworm of the scalp.

2. **Understand the Options**: The options provided are:
- A) Microsporum
- B) Aspergillus
- C) Penicillium
- D) Alternaria

3. **Recall Information about Ringworm**: Ringworm of the scalp, also known as tinea capitis, is a fungal infection that primarily affects children. It is characterized by hair loss and scaling of the scalp.

4. **Analyze Each Option**:
- **Microsporum**: This genus includes species that are known to cause ringworm infections, particularly in the scalp.
- **Aspergillus**: This genus is associated with a different disease called aspergillosis, which affects the respiratory system.
- **Penicillium**: This genus is primarily known for its role in food spoilage and the production of antibiotics, not for causing ringworm.
- **Alternaria**: This genus is typically associated with allergies and respiratory issues, not with ringworm.

5. **Select the Correct Answer**: Based on the analysis, the correct answer is **A) Microsporum**. Specifically, species like Microsporum canis and Trichophyton tonsurans are responsible for ringworm of the scalp.

6. **Conclusion**: Therefore, the causative agent of ringworm of the scalp is Microsporum.

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