Test Your Knowledge

Choose the best answer based on your reading of Module 3

  1. Approximately what proportion of the public approves of stem cell research in 2011?
    1. 30%
    2. 60%
    3. 85%
    4. 100%

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  2. To date, stem cell medicine has yielded proven therapies for which of the following illnesses:
    1. Alzheimer’s disease
    2. Breast cancer
    3. Macular degeneration
    4. Spinal cord injury
    5. None of the above

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  3. What is the main source of human Embryonic Stem Cells (hESC) for research?
    1. Umbilical cord blood
    2. Early term aborted fetuses
    3. Frozen embryos stored at fertility clinics, in excess of clinical need
    4. Women who donate eggs solely for research purposes

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  4. Multipotent stem cells can be derived from which of the following adult tissues:
    1. Adipose tissue (fat)
    2. Bone marrow
    3. Umbilical cord blood
    4. Dental pulp from the 3rd molar
    5. All of the above

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  5. Which of the following are concerns about adult stem cells?
    1. Difficult to isolate
    2. Difficult to maintain in culture
    3. Proliferate more slowly than hESC
    4. May contain DNA abnormalities as a result of negative environmental exposures
    5. 1, 2 and 3
    6. All of the above

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  6. Which of the following statements are true?
    1. Therapeutic cloning = research cloning
    2. Therapeutic cloning = SCNT
    3. Reproductive cloning = SCNT
    4. 1 and 2
    5. All of the above

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  7. Scientists who are funded by federal grants limit research on human embryonic stem cells to:
    1. 7 days
    2. 14 days
    3. 21 days
    4. 40 days

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  8. Pre-implantation genetic diagnosis (PGD) raises which of the following ethical issues?
    1. Termination of an embryo with a gene for a disorder is seen by some as a form of eugenics
    2. Gender selection
    3. Creation of “designer” babies by selecting embryos having certain genetic characteristics
    4. Selection of an embryo to create a child whose tissue will be used to cure an ill sibling
    5. All of the above

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  9. The major ethical concern with Somatic Cell Nuclear Transfer (SCNT) is that:
    1. There is very little ethnic diversity in the eggs that are donated
    2. People are seeking blastocysts from foreign sources
    3. The blastocyst has to be destroyed to derive the stem cells
    4. The SCNT stem cells might harbor genetic disorders

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