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Name 2 functions of the skin:
1. Maintains homeostasis2. Protective covering3. Retards water loss4. Regulates body temperature5. Houses sensory receptors6. Contains immune system cells7. Synthesizes chemicals8. Excretes small amounts of waste
Name the major layers of the skin:
• Epidermis
• Dermis
• Hypodermis
In which layer of the epidermis does cell growth occur?
• Stratum basale
What plays the largest role in determining skin tone?
• Genetics
Name 2 physiological factors that affect skin tone:
• Temperature
• Emotions (embarrassment)
• Food
Name 2 environmental factors that affect skin tone:
• Sunlight
• UV light from lamps
• X rays
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
In what specific layer are melanocytes found?
• Stratum basale
When do arrector pilli muscles contract?
• When you are cold
What do sebaceous gland secrete?
• Sebum
What is the function of apocrine glands?
• To secrete a fluid that develops a scent
What is the function of a eccrine gland?
• To secrete a fluid that decreases body temperature
What are nails composed of?
• Highly keratinized epithelial cells
What is the most active region of hair growth called?
• Hair root
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
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