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Cancer is the second leading cause of death in the U.S. and 1/3 of us are expected to be diagnosed with cancer at some point in our lives. This is a disease that affects all of us, either directly or indirectly. In this module, you will learn more about the causes, consequences, and treatments of cancer.
By the end of this module, you will be able to:
- Explain how cancer cells differ from normal cells
- Identify genetic, environmental, and lifestyle risk factors for different types of cancer
- Describe different types of cancer treatments
- Discuss the challenges associated with curing cancer
BIOL 105 – Week 7 Topic questions: Cancer
1. What is cancer?
2. What are the most common cancers in the U.S.?
3. How are cancer cells different from non-cancer cells?
4. Distinguish between a benign and a malignant tumor. What is metastasis?
5. What are proto-oncogenes and how do they become oncogenes?
6. How do changes to tumor suppressor genes cause cancer?
7. Approximately what percentage of cancer cases are due to inherited mutations?
8. What are some environmental factors known to cause cancer?
9. How is surgery used to treat cancer? What are the limitations of surgery?
10. How is radiation therapy used to treat cancer? What are the limitations of radiation therapy?
11. How is chemotherapy used to treat cancer? What are the limitations of chemotherapy?
12. How is targeted therapy used to treat cancer? What are the limitations of targeted therapy?
13. How is immunotherapy used to treat cancer? What are the limitations of immunotherapy?
14. What is a major challenge in “curing” cancer?
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1. Cancer is caused when one of the cells in an organ or tissue becomes
damaged or altered in some way. Cancer cells then divide
uncontrollably without a set point they stop dividing unlike normal
cells which only divide when they receive the right signal and stop
dividing upon receiving another.
2. Breast, prostate as well as lung and bronchus cancers are the top
three common cancers in the US.
3. Cancer cells are different from non-cancerous cells as they divide
uncontrollably, and they don’t stop dividing unlike normal cells which
only divide when they receive the right signal and stop dividing upon
receiving another. Cancer cells are also different as they no longer
help the body function correctly but rather disrupt it.
4. A benign tumour means the cells aren’t cancerous and theref...