Basic Science Melanocyte Migration-eva

5 Questions | Total Attempts: 82

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Skin Quizzes & Trivia

Questions and Answers
  • 1. 
    Melanocytes are found in multiple tissues except?
    • A. 

      Epidermis

    • B. 

      Retinal pigment epithelium

    • C. 

      Stria vascularis

    • D. 

      Leptomeninges

    • E. 

      Geniculate ganglion

  • 2. 
    At the end of gestation, active dermal melanocytes“disappear” except?
    • A. 

      Head and neck

    • B. 

      Dorsal distal extremities

    • C. 

      Abdomen

    • D. 

      Presacral area

  • 3. 
    Approximately how many keratinocytes are in contact with 1 melanocyte?
    • A. 

      36

    • B. 

      147

    • C. 

      10

    • D. 

      2

    • E. 

      Infinity and beyond

  • 4. 
    Compared with lighter skinned individuals, darker skinned individuals have all of the following except
    • A. 

      Faster degradation of melanosomes

    • B. 

      More melanosomes per cell

    • C. 

      Distribution in lysosome is single

    • D. 

      Larger size

  • 5. 
    DOPAquinone converted to pheomelanin (red-yellow) insoluble, in round melanosomes 
    • A. 

      True

    • B. 

      False

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