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6 Written questions

6 Multiple choice questions

  1. layer of dermis responsile for fingerprints and footprints
  2. Concerning skin color, which of these statements is NOT correctly matched?
    a. skin appears yellow--carotene present
    b. no skin pigment (alinism)--genetic disorder
    c. skin tans--iincreased melanin production
    d. skin appears blue (cyanosis) oxygenated blood
    e. african americans darker than whites--more melanin in african0american skin
  3. Concerning hair growth:
    a. hair falls out of the hair follicle at the end of the growth stage
    b. most of the hair on the body grows continuously
    c. genetic factors and the hormone testosterone are involved in "pattern baldness"
    d. eyebrows have a longer growht stagge and resting stage than scalp hair
  4. Desquamation occurs; 25 or more layers of dead squamous cells
  5. Production of cells; melanocytes produce and contribute melanin; hemidesmosomes present
  6. Hair:
    a. is produced by the dermal root sheath
    b. consists of living keratinized epithelia cells
    c. is colored by melanin
    d. contains mostly soft keratin
    e. grows from the tip

5 True/False questions

  1. papillary layerLayer of dermis closest ot the epidermis


  2. a. arrector piliSmooth muscles that produce "goose bumps" when they contract are are attached to hair follicles are called
    a. arrector pili
    b. dermal papillae
    c. hair bulbs
    d. root sheaths


  3. c. vitamin Dafter birth, the type of hair on teh scalp, eyelids, eyebrows is
    a. lanugo
    b. terminal hair
    c. vellus hair


  4. apocrine sweat glandcoiled, tubular glands taht secrete a fluid taht cools the body; most numerous in the palms of the hands and soles of the feet


  5. sebaceous glandalveolar glands that produce a white, oily substance; usually open into hair follicles