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6 Written questions

6 Multiple choice questions

  1. Desquamation occurs; 25 or more layers of dead squamous cells
  2. coiled, tubular glands taht secrete a fluid taht cools the body; most numerous in the palms of the hands and soles of the feet
  3. 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
  4. alveolar glands that produce a white, oily substance; usually open into hair follicles
  5. 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
  6. layer of dermis responsile for fingerprints and footprints

5 True/False questions

  1. c. genetic factors and the hormone testosterone are involved in "pattern baldness"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

          

  2. apocrine sweat glandsecretions from these coiled, tubular glands are rfoken down by bacteria to produce body odor; found in the axillae and genitalia

          

  3. B. stratum basaleProduction of cells; melanocytes produce and contribute melanin; hemidesmosomes present

          

  4. c. vitamin DThe skin aids in maintaining teh calcium adn phosphate levelso f hte body at optimum levels by participating in the productions of:

    a. vitamin A
    b. vitamin B
    c. vitamin D
    d. melamin
    e. keratin

          

  5. a. lanugoafter birth, the type of hair on teh scalp, eyelids, eyebrows is
    a. lanugo
    b. terminal hair
    c. vellus hair