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5 Written questions

5 Matching questions

  1. 1. Carcinoma
    2. Sarcoma
    3. Leukemia/lymphoma
  2. No
  3. They become progressively shorter with each DNA replication cycle
  4. An inflammatory response
  5. 1. Adenoma
    2. Condroma
  1. a What are three examples of malignant Cancers?
  2. b Most proliferating cells are deficient in telomerase activity. What happens to the telomere ends with each DNA replication cycle?
  3. c What are two types of benign Cancers?
  4. d Is it only the accumulation of a large number of mutations that gives rise to a tumor?
  5. e Tumor promoters are chemical agents which by themselves are not mutagenic but have been shown to induce cancer by activating what?

5 Multiple choice questions

  1. Development of cancerous cells can take many, many years and is a process driven by what kind of changes?
  2. When analyzed for their expression of an X-linked gene, how were cancerous cells found to be identical?

  3. Which picture shows normal epithelium (of the cervix)?
  4. What are two heritable properties of cancer?
  5. Tumorigenesis requires the assistance of other cell types. What are they?

5 True/False questions

  1. DNA methylationLarge amounts of what typically occurs on selected genes during tumor progression?


  2. Tumor initiatorWhat is a noninvasive tumor whose removal achieves a 'cure'?


  3. Cells rest, grow, divide, differentiate and die as needed for the good of the organismA cell accumulates a mutation that acts to enhance its own proliferation or decrease its death. These changes occur over what?


  4. 1. Decreased rate of DNA repair
    2. Failure to maintain chromosomal copy number during division
    Even for cancers associated with a known external agent, the time of onset is what?


  5. CarcinogensWhat are agents known to cause cancer?