Test Your Knowledge

Choose the best answer based on your reading of Module 1
  1. What defines stem cells?
    1. Cells that can transform into any type of cell, such as blood, muscle, or skin cells.
    2. Cells that are obtained from the inner mass of a pre-implanted embryo thereby destroying the embryo.
    3. Cells that have the ability to renew themselves continuously.
    4. All of the above.

      Check answer

  2. Who was the first scientist to conceive the idea of cellular differentiation?
    1. Theodor Schwann
    2. Robert Hooke
    3. Alexander Maksimov
    4. John Enders

      Check answer

  3. What are the near term clinical applications of stem cells?
    1. To replace or repair injured cells in patients
    2. To be used to in organ regeneration
    3. To make human clones after an individual accidently dies
    4. Only 1 and 2

      Check answer

  4. What are the broad categories of stem cells?
    1. Adult, embryonic and umbilical cord stem cell
    2. Totipotent, Pluripotent, and Multipotent stem cell
    3. Both 1and 2
    4. None of the above

      Check answer

  5. What is a pluripotent stem cell?
    1. Cells found in the inner mass of blastocyst that can differentiate into over 200 different cell types except placental cells
    2. Stem cells derived from adult tissue, cord blood, and bone marrow and that do not differentiate into all the different cell types
    3. Any progenitor cell found in human embryos
    4. None of the above

      Check answer

  6. What is the gold standard “stem cell”?
    1. Fertilized human egg
    2. Stem cells obtained from the inner mass of embryos
    3. Stem cells obtained from umbilical cord blood
    4. Stem cells obtained from bone marrow

      Check answer

  7. What does pluripotency mean?
    1. Self-renewal property of the cell
    2. The ability to transform into any type of cell
    3. The ability to form tumors
    4. None of the above

      Check answer

  8. What stem cell technology requires the transfection of cells with the following four genes - Oct4, Sox2, Klf4, c-Myc?
    1. Induced Pluripotent System (iPS)
    2. Somatic Cell Nuclear Transfer (SCNT)
    3. Cloning
    4. None of the above

      Check answer

  9. Who is credited with discovering and developing iPS technology?
    1. Shinyi Yamanaka
    2. John Gearhart
    3. John Enders
    4. Charles Darwin

      Check answer

  10. What is the scientific challenge in developing a new therapy based upon embryonic stem cell replacement?
    1. Tissue rejection and tumor formation
    2. Hard to harvest
    3. Slow to proliferate
    4. None of the above

      Check answer

  11. Approximately how many embryonic stem cell lines are federally approved (as of 2011)?
    1. 20
    2. 100
    3. 65
    4. 93

      Check answer



Click here to return to Module 1 - The Biology of Stem Cells


StemCellBioethLogo.jpgnystem_NoImage.jpgccnmtl.gif