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Chapter 15. Cancer Questions with Solutions
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Exam of 11 pages for the course cancer at cancer (Chapter 15. Cancer)
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Chapter 15. CancerWhich of the following statements about cancer in the United States are correct? -
answer Cancer is responsible for about 25% of all deaths in the United States.
Lung cancer is the leading cause of cancer-related death.
A condition characterized by the uncontrolled growth of cells that starts with one
abnormal cell is known as - answer cancer
Each time a cell divides, it is possible that there will be an error in DNA, or a - answer
mutation
What is an important characteristic of stem cells? - answer They can differentiate into a
variety of cell types.
What is an important characteristic of stem cells? - answer They can differentiate into a
variety of cell types.
About how many deaths does cancer cause each day in the United States? -
answer1,600
What is the term for a mass of extra tissue that develops through cell hyperplasia? -
answera tumor
What is the term that describes the uncontrolled multiplication of cells? - answerclonal
growth
What occurs in hyperplasia? - answerCells experience a condition of overgrowth.
During cell growth, enzymes scan the ________ , looking for errors during its
replication. - answerDNA
Which of the following statements are true about tumors? - answerMalignant tumors can
invade surrounding tissue.
Benign tumors grow slowly.
The cells of malignant tumors can enter the lymphatic system.
Because some cancer treatments involve the use of high doses of chemotherapy or
radiation that can damage bone marrow, what may be used to revitalize the patient's
immune system? - answerstem cells
The terms metastases and ______ are synonymous, meaning they are new growths
resulting from the spread of cancer cells to new locations. - answersecondary tumors
, After a series of critical mutations take place within a cell, - answermany years can pass
before cancer develops.
What is a metastasized cancer called? - answerinvasive
True or false: A mass of extra tissue is known as an oncogene. - answerFalse
What type of cancer might originate in the intestines? - answera carcinoma
What is the condition in which cells that grow too much may lead to cancer? -
answerhyperplasia
What is the most significant risk factor for most cancers? - answerage
The cells within a ______ tumor are capable of entering the bloodstream or the
lymphatic system and spreading throughout the body. - answermalignant
Which of the following statements regarding family history and cancer risk are true? -
answerOnly a small percentage of cancers are caused by genetics.
A family history of cancer can impact cancer screening recommendations.
What type of tumor is capable of metastasizing? - answera malignant tumor
What are two kinds of environmental cancer agents? - answercarcinogens and cancer
promoters
What is the original site of cancer in the body called? - answerthe primary site
Which cancers can be caused by tobacco smoke? - answerthroat
mouth
lung
carcinomas
sarcomas
leukemias
lymphomas - answer- epithelial tissue
- connective tissue
- bone marrow or lymphatic system
- lymph nodes or glands
The evidence is ______ that taking supplements results in the same cancer-protection
benefits as consuming the whole foods. - answernot clear
People over the age of 50 account for about ______% of all cancers. - answer85
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