Question:
Ringworm is caused by
Ringworm is caused by
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Dermatophytes thrive in warm, humid conditions.
Common clinical names for ringworm depend on the infection site, such as Tinea pedis (Athlete's foot) and Tinea cruris (Jock itch).
Common clinical names for ringworm depend on the infection site, such as Tinea pedis (Athlete's foot) and Tinea cruris (Jock itch).
Updated On: Jul 22, 2026
- Virus
- Bacteria
- Fungi
- Protozoan
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Question:
The question asks us to identify the class of pathogens responsible for causing the skin infection known as ringworm.
Step 2: Key Concepts and Approach:
Despite its misleading name, "ringworm" is not caused by a parasitic worm.
It is a superficial cutaneous infection called tinea, which is caused by a group of fungi called dermatophytes.
Step 3: Detailed Explanation:
• Ringworm (Dermatophytosis): This infection is caused by fungi belonging to three main genera: Trichophyton, Microsporum, and Epidermophyton.
These fungi are keratinophilic, meaning they feed on keratin, the primary protein found in the dead outer layers of skin, hair, and nails.
The infection is characterized by dry, scaly, itchy circular lesions that resemble a red ring on the skin. Thus, it is caused by fungi.
• Viruses, Bacteria, and Protozoans: These organisms cause different skin or systemic infections, but they are not the pathogens behind ringworm.
Step 4: Final Answer:
Ringworm is a fungal infection, so option (C) is the correct choice.
The question asks us to identify the class of pathogens responsible for causing the skin infection known as ringworm.
Step 2: Key Concepts and Approach:
Despite its misleading name, "ringworm" is not caused by a parasitic worm.
It is a superficial cutaneous infection called tinea, which is caused by a group of fungi called dermatophytes.
Step 3: Detailed Explanation:
• Ringworm (Dermatophytosis): This infection is caused by fungi belonging to three main genera: Trichophyton, Microsporum, and Epidermophyton.
These fungi are keratinophilic, meaning they feed on keratin, the primary protein found in the dead outer layers of skin, hair, and nails.
The infection is characterized by dry, scaly, itchy circular lesions that resemble a red ring on the skin. Thus, it is caused by fungi.
• Viruses, Bacteria, and Protozoans: These organisms cause different skin or systemic infections, but they are not the pathogens behind ringworm.
Step 4: Final Answer:
Ringworm is a fungal infection, so option (C) is the correct choice.
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