Name 2 functions of the skin: 1.Maintains homeostasis 2. Protective covering 3. Retards water loss...

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