Scabies

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/scabies

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific name?Sarcoptes scabiei var. hominis
2. What is the primary diagnostic method?Microscopic identification of mites, eggs, or scybala from skin scrapings
3. What are scabies mites and how big are they?Scabies mites are tiny bugs called Sarcoptes scabiei, about 0.3-0.4 millimeters long, so you can't see them with the naked eye.
4. Why does scabies make you itch so much?The itching comes from your immune system reacting to the mites' saliva, eggs, and poop, not just the mites themselves. This reaction releases chemicals that stimulate itching.

Stratum Corneum: The outermost layer of the epidermis, providing a barrier against pathogens and environmental insults.
Pruritus: The medical term for itching, a common symptom of skin conditions.
Acaricide: A substance or chemical that is used to kill or repel mites and ticks.