Health and Science chapter 15

question

Cells that are capable of unlimited division and retain the ability to become different cell types are called
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stem cells
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What determines the type of cancer a person is with which a person is diagnosed?
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the tissue or primary site where a cancer originates
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A mutation in the BRCA1 and BRCA2 gene is associated with an increased risk for what type of cancer?
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breasts
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Which of the following environments is NOT considered a risk factor for increased exposure to carcinogens?
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dense forest
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Hormone replacement therapy (HRT) increases the risk for all of the following conditions, EXCEPT heart disease. breast cancer. colon cancer. endometrial cancer.
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colon cancer
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Colon cancer screening tests include all of the following, EXCEPT colonoscopy. colon-specific antigen test. flexible sigmoidoscopy. fecal occult blood test.
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colon- specific antigen test
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All of the following are skin cancers, EXCEPT squamous cell. basal cell. sarcoma. melanoma.
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sarcoma
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You should have a colonoscopy if any other type of colon cancer screening produces a positive result.
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true
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Chemotherapy commonly results in harm to both cancer cells and normal cells.
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true
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In the United States, the survival rate for all types of cancer combined is more than 60 percent.
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true
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Kyle has a cancer of the lymph nodes or glands. What type of cancer does Kyle have
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lymphoma
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Craig recently passed away from a cancer that started in his bone marrow. What type of cancer caused Craig’s death?
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leukemia
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The most significant risk factor for most cancers is
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age
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Which of the following is NOT a source of ionizing radiation? medical x-rays radon cosmic rays UVA rays
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uva rays
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The leading cause of cancer death is attributed to what type of cancer?
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lung
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Risk factors for breast cancer include
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a family history of breasts cancer
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The common features of a red, scaly base with a nonhealing sore describe which type of skin cancer?
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squamous cell
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All of the following statements regarding cervical cancer screening are true, EXCEPT beginning at age 30, women may be screened every five years. women with weakened immune systems due to organ transplant may need to be screened more frequently women who have been treated for cervical precancer may need to be screened more frequently. women should begin cervical cancer screening when they are 25.
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women should begin cervical cancer screening when they are25
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Biological cancer therapies involve the introduction of infectious agents that attack cancer cells.
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false
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Exercise is directly linked to a reduction in risk of breast cancer.
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true

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