134 Chapter 6
Case Study^
Siesha, a 21-year-old woman, is visiting her dermatologist following a referral from
her primary health care provider. Siesha is worried about a mole that has developed on
her right thigh. The health care provider notes that Siesha has a dark tan. During history
taking, Siesha says that she and her friends play beach -volleyball -every weekend
during the summer, and she uses tanning beds during the winter. -After examination of
the mole, the health care provider believes that Siesha might^
have a form of skin cancer.
Questions
1.^ What type of skin cancer do you think Siesha might have?^
2.^ What is a second type of skin cancer that is potentially fatal?^
3.^ Which is the least dangerous type of skin cancer?^
4.^ What aspects of Siesha’s history indicate that she is at risk for skin cancer?^
5. What precautions can individuals take to help prevent skin cancer?
Study Tools
Study Guide Activities for Chapter 6
Online Resources PowerPoint presentationsMatching
Place the most appropriate number in the blank
provided.
Melanin
Keratinization
Dermis
Cuticle
Medulla
Shaft
Cortex
Lunula
Sebum
Cyanosis1.^ Central axis of hair^
2.^ Skin pigment^
3.^ Visible portion of hair^
4.^ White crescent of nail^
5.^ Desmosomes^
6. Produces brittle dry cells
without nuclei^
7.^ Lubricates surface of skin^
8.^ Blue or ashy color of skin^
9.^ Arrector pili muscle^
10. Principal portion of hair,
cells are elongated^
11. Corium
12. Outermost layer of hair,
scalelike cells