Pathophysiology Study Set 3

Medicine

Quiz 11 :
Biology of Cancer

Quiz 11 :
Biology of Cancer

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Anaplasia is recognized by loss or organization and a marked increase in nuclear size.
Free
True False
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Answer:

True

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Some tumors initially described as benign can progress to malignant tumors.
Free
True False
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Answer:

True

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Cancer is predominantly a disease of aging.
Free
True False
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Answer:

True

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A hallmark of cancer cells is their immortality.
True False
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For the function of tumor suppressor genes to be lost,only one chromosome (allele)of the gene must be inactivated.
True False
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Most cancers must acquire mutation in six distinct areas: growth signals,antigrowth signals,evading apoptosis,replicating ability,angiogenesis,and invasion and metastasis.
True False
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There is no current evidence that associates obesity with cancer formation.
True False
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An increased number of sexual partners has been shown to be related to the incidence of cervical cancer.
True False
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There appears to be no relation between the incidence of melanoma and age at the time of exposure to excessive UV radiation.
True False
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The term "neoplasm" can refer to a benign tumor.
True False
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Which are cancers arising from connective tissue tissues?
Multiple Choice
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Carcinoma refers to abnormal cell proliferation originating from which tissue origin?
Multiple Choice
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What are characteristics of cancer in situ?
Multiple Choice
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Cells from a muscle tumor show a reduced ability to form new muscle and appear highly disorganized.This is an example of:
Multiple Choice
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What are tumor cell markers?
Multiple Choice
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How are tumor cell markers used?
Multiple Choice
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Intestinal polyps are benign neoplasms and the first stage in development of colon cancer.These findings support the notion that:
Multiple Choice
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What is autocrine stimulation?
Multiple Choice
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What is apoptosis?
Multiple Choice
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Many cancers create a mutation of ras.What is ras?
Multiple Choice
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