What type of parasite causes tinea (ringworm)?

• A. Bacterial parasite
• B. Plant parasite
• C. Animal parasite
• D. Insect parasite

Answer: (C)

Tinea, commonly known as ringworm, is caused by a type of fungus rather than a parasite in the traditional sense used for citing animals or plants. However, it is essential to understand that the term "parasite" can be broadly applied in this context, as fungi can be classified as a type of organism that can cause infections similar to parasites.

In this case, the term "animal parasite" refers to the fact that the specific fungi causing tinea, such as Trichophyton, Microsporum, and Epidermophyton, often thrive on the skin or hair of mammals (including humans). These fungi can invade and live on the outer layer of the skin, leading to the characteristic ring-like lesions associated with the condition. The idea of "animal" in this context aligns with how these fungi interact with their host (the human body).

While other options such as bacterial, plant, and insect parasites do not cause tinea, they have their unique infections and health impacts. Bacteria can lead to conditions like impetigo, while plant parasites typically refer to diseases affecting plants, and insect parasites cover a wide range of organisms but are not related to fungal infections like tinea. Understanding this helps clearly differentiate between the various pathogens