5. Integumentary System

Which of the following is not an epidermal derivative?

a. Hair

b. Sweat gland

c. Sensory receptor

d. Sebaceous gland.

Explain each of these familiar phenomena in terms of what you learned in this chapter:

a. Pimples

b. Dandruff

c. Greasy hair and 'shiny nose

d. Stretch marks from gaining weight

e. Freckles

Mrs. Gaucher received second-degree burns on her abdomen when she dropped a kettle of boiling water. She asked her doctor (worriedly) if she would need a skin graft. What do you think he told her?

Another feature of CIPA is anhidrosis, or the inability to sweat. Explain why Maria's inability to produce sweat could potentially be life-threatening.

From what types of damage does the skin protect the body?

Mr. Grayson is receiving a drug treatment transdermally (through the skin). Explain why drugs delivered by this route are fat-soluble rather than water-soluble.

Both newborn infants and aged individuals have very little subcutaneous tissue. How does this affect their sensitivity to cold environmental temperature?