QUESTIONS

1. List 5 suitable methods for the collection of a skin or hair sample.
2. Describe the McKenzie brush technique.
3. Describe the wet paper test.
4. What is a Wood's lamp used for?
5. Describe the microscopic examination of skin and hair in cases of suspected ringworm.
6. What reagents may enhance the detection of dermatophytes under microscopic examination?
7. Why is it important to include the root of a hair follicle when taking a hair pluck sample?
8. Describe the procedure for taking a skin scrape.
9. Why is liquid paraffin or 10% potassium hydroxide placed on the skin prior to a scraping?
10. What is the fixative of choice for most routine histopathology?