1. Name 2 functions of the skin: 1.Maintains homeostasis 2. Protective covering 3. Retards water loss 4. Regulates body temperature 5. Houses sensory receptors 6. Contains immune system cells 7. Synthesizes chemicals 8. Excretes small amounts of waste

2. Name the major layers of the skin: Epidermis Dermis Hypodermis

3. In which layer of the epidermis does cell growth occur? Stratum basale

4. What plays the largest role in determining skin tone? Genetics

5. Name 2 physiological factors that affect skin tone: Temperature Emotions (embarrassment) Food

6. Name 2 environmental factors that affect skin tone: Sunlight UV light from lamps X rays

7. T/F: The darker you are, the more melanocytes you have False Please correct the statement: –The darker you are the more melanin you have

8. In what specific layer are melanocytes found? Stratum basale

9. When do arrector pilli muscles contract? When you are cold

10. What do sebaceous gland secrete? Sebum

11. What is the function of apocrine glands? To secrete a fluid that develops a scent

12. What is the function of a eccrine gland? To secrete a fluid that decreases body temperature

13. What are nails composed of? Highly keratinized epithelial cells

14. What is the most active region of hair growth called? Hair root

15. T/F: The hair papilla is in the deep layer of the epidermis. False Please correct the statement: –The hair papilla is in the deep layer of the dermis

16. Be able to: Describe the skin’s role in temp regulation Describe the role of melanin Describe the classification of burns Describe how a wound heals