Questions and Answers
What causes cancer to develop?
DNA mutations
Which of the following is true about cancerous cells?
They can invade surrounding tissues and spread to other parts of the body
How are cancers grouped into categories?
Based on the type of cells they develop from
What is the difference between benign and malignant tumors?
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Which of the following is NOT a type of cancer?
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What is the most common type of cancer in adults?
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Where do sarcomas arise from?
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Where do myelomas arise from?
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Where do leukemias arise from?
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Where do lymphomas arise from?
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Where do melanomas stem from?
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How are different types of cancer treated?
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Study Notes
- Cancer is caused by abnormal cells multiplying out of control due to DNA mutations.
- Cancerous cells can invade surrounding tissues and spread to other parts of the body.
- Cancers are grouped into categories based on the type of cells they develop from.
- Not all tumors are cancerous; benign tumors do not invade surrounding tissues.
- Carcinomas, sarcomas, myelomas, leukemias, lymphomas, and melanomas are different types of cancer.
- Carcinomas are the most common type of cancer in adults and come from epithelial tissues.
- Sarcomas arise from connective tissue, myelomas from plasma cells, leukemias from bone marrow, and lymphomas from lymphoid tissue.
- Melanomas stem from pigmented skin cells.
- Benign tumors are less likely to return once removed.
- Different types of cancer grow, spread, and are treated differently.
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