Final answer:
Scabies is the skin condition caused by a parasitic mite, Sarcoptes scabiei. Impetigo, eczema, and psoriasis are caused by bacteria or are non-contagious and autoimmune in nature, respectively. The correct answer is D. scabies.
Step-by-step explanation:
The question deals with identifying which condition among the given choices is caused by a parasite. Let's review each option briefly:
- Impetigo is a bacterial skin infection, often caused by Staphylococcus aureus or Streptococcus pyogenes.
- Eczema is a non-contagious inflammatory skin condition characterized by itchy, red, and dry skin.
- Psoriasis is a chronic autoimmune condition that results in the overproduction of skin cells, leading to scaling and inflammation.
- Scabies is a highly contagious skin infection caused by a mite known as Sarcoptes scabiei. These mites burrow into the skin, causing intense itching and a rash.
Based on this information, we can determine that scabies is the skin condition caused by a parasitic infection. Therefore, the correct answer to the question is D. scabies.