Self Quiz for Animal Virus Life Cycles: The Role of Viruses in Tumor Production

Study the material in this section and then write out the answers to these questions.
Do not just click on the answers and write them out. This will not test your understanding of this tutorial.

1. Describe how certain viruses may contribute to the development of tumors by altering proto-oncogenes or tumor-suppressor genes. (ans)

2. Name the 3 most common viruses that have been implicated in human cancers.

A. (ans)

B. (ans)

C. (ans)

3. People with chronic hepatitis B have a much higher risk of developing liver cancer. This cancer, however, usually appears after decades of chronic infection. Explain the link between HBV and liver cancer and why, if it does develop, it usually takes so long. (ans)

4. Multiple Choice (ans)

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