A cell in this stage of cancer no longer makes the set of proteins that is was originally instructed to make but has not migrated into surrounding tissues; thus at this stage a tissue specific protein production profile could be used to identify a cancer. a. carcinoma, in situ b. dysplasia c. hyperplasia d. malignant tumor

A cell in this stage of cancer no longer makes the set of proteins that is was originally instructed to make but has not migrated into surrounding tissues; thus at this stage a tissue specific protein production profile could be used to identify a cancer. a. carcinoma, in situ b. dysplasia c. hyperplasia d. malignant tumor

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter22: Genes And Disease: Cancer

Section: Chapter Questions

Problem 3CT: Ultimately, cancer kills because it spreads and disturbs homeostasis. Consider, for example, a...

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Which of the following statements are correct about tumor cell masses (select all that apply)? A. Stromal cells of tumor masses are generally just contaminants and play no role in tumor progression B. Most stromal cells are of mesenchymal origin C. Fibroblasts, macrophages and lymphocytes are commonly found in the stroma of tumor masses D. In Hodgkin's Lymphoma, the majority of cells in the tumor mass are neoplastic E. In carcinomas, neoplastic and stromal cells are present at similar numbers
Which of the following is NOT an example of fail-safe mechanisms that prevent the irregular cell divisions characteristic of cancer? a.Shortening of telomeres b.Cell division limit c.Mutation in a tumor suppressor gene d.Triggered cell death
Which of the following factors contributes to angiogenesis as a result of a tumor growth? Select all that apply: a. Increasing tumor's access to oxygen and nutrients b. Increasing tumor's ability for growth, invasion, and metastasis c. Increasing expression of proto-oncogenes for cancer cells d. Increasing expression of tumor-suppressor genes for cancer cells
Which of the following must scientists understand in order to create effective cancer treatments? Select all that apply. a why cancer is difficult to treat b where cancer originated c how cancer cells multiply d how cancer cells grow
Although cancer is not a contagious disease in humans or other vertebrates, there have been rare cases in which cancers have spread from one organism to another. Describe three cases of these contagious cancers and what conditions might have led to their appearance. For an introduction to this topic, see http:// www.cancer.org/cancer/cancerbasics/is-cancer-contagious.
Which of the following statements are correct about tumors and metastasis (select all that apply)? A. The majority of cancer deaths are due to primary tumor B. Loss of basement membrane by tumor mass is strong predictor of metastasis potential C. The tissue stroma contributes to whether a tumor cell will metastasize D. The majority of life threatening tumors occur in epithelial tissues E. The tendency of a primary tumor to metastasize is similar across different tissue types
Explain what it means when the developmental steps for cancer are “not obligatory” and give one example
Which of the following are characteristics of benign tumors? Select all that apply. a.They can migrate and grow in other tissues through metastasis. b.They grow quickly. c.They are slow growing. d.They stay in their home tissue.
With regard to cancer cells, which of the following are true? A. Cancer cells are clonal, meaning that they are derived from many different cells that all underwent the same clonal mutation. Cells usually accumulate many mutations over time, and this results in cancerous growth. B. Almost all cancers are caused by oncogenic viruses. no Benign tumors are dangerous because they can easily invade surrounding tissue and spread to other locations in the body. DE. Cancer cells are unable to control their division.