Barber Practice State Board Practice Exam

Scabies is caused by which type of organism?

1. Bacteria

2. Virus

3. Animal Parasite

4. Fungus

The correct answer is: Animal Parasite

Scabies is indeed caused by an animal parasite, specifically a microscopic mite known as Sarcoptes scabiei. This organism burrows into the skin, leading to intense itching and an inflammatory response. The life cycle of these mites involves the adult female laying eggs in the skin, which further spreads the infestation. This condition is primarily transmitted through direct skin-to-skin contact, making it important to understand the proper sanitation and treatment protocols to prevent and control its spread. To clarify the context regarding the other types of organisms: bacteria are single-celled microorganisms that can cause infections, but they are not responsible for scabies. Viruses, which require a host cell to replicate, are responsible for diseases like the flu or the common cold, rather than parasitic infestations. Fungi can lead to conditions like athlete's foot or ringworm, but they do not cause scabies. Understanding the specific organism responsible for scabies is crucial for effective treatment and prevention.