Select all of the sentences below that correctly describe the role of a healthy diet and lifestyle in cancer risk and progression. Select all that apply. • View Available Hint(s) Folate may help reduce the incidence of colon cancer. Fruits and vegetables contain phytochemicals, antioxidants, and dietary fiber, all of which help reduce the risk of certain cancers. O Dietary supplements are definitively linked to lowering cancer risk. Consumption of processed meat containing nitrates and nitrites may increase a person's risk of certain cancers. O Grilling is a healthy cooking method; therefore, the consumption of all types of grilled meat will help reduce the risk of cancer.

Select all of the sentences below that correctly describe the role of a healthy diet and lifestyle in cancer risk and progression. Select all that apply. • View Available Hint(s) Folate may help reduce the incidence of colon cancer. Fruits and vegetables contain phytochemicals, antioxidants, and dietary fiber, all of which help reduce the risk of certain cancers. O Dietary supplements are definitively linked to lowering cancer risk. Consumption of processed meat containing nitrates and nitrites may increase a person's risk of certain cancers. O Grilling is a healthy cooking method; therefore, the consumption of all types of grilled meat will help reduce the risk of cancer.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter17: Biotechnology And Genomics

Section: Chapter Questions

Problem 3VCQ: Figure 17.15 In 2011, the United States Preventative Services Task Force recommended against using...

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Figure 17.15 In 2011, the United States Preventative Services Task Force recommended against using the PSA test to screen healthy men for prostate cancer. Their recommendation is based on evidence that screening does not reduce the risk of death from prostate cancer. Prostate cancer often develops very slowly and does not cause problems, while the cancer treatment can have severe side effects. The PCA3 test is considered to be more accurate, but screening may still result in men who would not have been harmed by the cancer itself suffering side effects from treatment. What do you think? Should all healthy men be screened for prostate cancer using the PCA3 or PSA test? Should people in general be screened to find out if they have a genetic risk for cancer or other diseases?
The most common therapeutic approaches to treating cancer include all of the following except ________. a. chemotherapy b. irradiation of tumors c. surgery to remove cancerous tissue d. administering doses of vitamins
Identify at least three dietary components that may be associated with cancer risk and explain how they are associated with cancer risk.
Explain the following characteristics of an ideal tumor marker • Specificity for a single type of cancer • High sensitivity and specificity for cancerous growth • Correlation of marker level with tumor size • Homogeneous (i.e., minimal post-translational modifications) • Short half-life in circulation
New cases of cancer are expected to increase in the ensuing years. How can estimating the future burden of cancer help us to prepare for this? Give detailed examples of different types of cancer and the trends that will likely be observed. What can we realistically expect to achieve regarding cancer risk reduction? Why is it important to have cancer statistics databases?
Out of these 8 hallmarks ( sustaining proliferative signaling, evading growth suppressors, resisting cell death, enabling replicative immortality, inducing angiogenesis, activating invasion and metastasis, deregulating cellular energetics and metabolism, and avoiding immune destruction). Rank them from least important to most for cancer development. Explain in 2-3 sentences how.
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
The following are drugs that act as anti-tumor agents and are often used as part ofchemotherapeutic regimens for cancer patients. Explain how the use of the following drugs mayprevent cancer cell growth and/or proliferation.
Discuss the purpose and role of the various treatment modalities in the management of cancer
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
In your own words, explain each of the hallmarks of cancer. (immortality, produce go signals, override stop signals, resist cell death, angiogenesis and how it relates to metastasis.
Can you critically evaluate this information including details in the discussion, also including molecular and cellular aspects as well as detailed diagnostic and treatment approach:- When tumours attempt to spread/invasive outside of their original tissue or to a remote metastatic location, they are said to be invasive. This process is typically started or sustained by the microenvironment around the tumour. Examine in-depth/Critically what a cancer microenvironment is and how it's considered to encourage tumour migration.