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chapter 4

QuestionAnswer
Cancer is characterized by uncontrolled growth of abnormal cells in the body. true
Tumors that are classified as cancer are called benign. false
A benign tumor may grow and enlarge in an area but will not invade surrounding tissue or spread to other parts of the body. true
Most benign tumors are named by adding the suffixitis to the prefix that designates the cell or tissue origin. false
Helicobacter pylori increases the risk for gastric cancer. true
Both specific and nonspecific immunity are involved in the elimination of abnormal cells, such as cancer. true
Immunosuppressive medications decrease immune function and therefore decrease the risk for development of cancer. false
The signs and symptoms of cancer will depend on the location of the tumor, its size, and how much it affects the organs or tissues in the area. true
Benign tumors are _____, and remain localized. not life threatening, grow slowly
Malignant tumors _____. are not encapsulated, making excision more difficult
An osteosarcoma is a malignant tumor of _____ bone
Cigarette smoking causes about _____ of all cancer deaths in the United States. 30%
The _____ increases the risk for cancers of the cervix, penis, vagina, anus, and vulva. Human papillomavirus
Uncontrolled cell division is the result of _____ in genes that play a role in cell division. mutations
tell cells when to divide. proto-oncogenes
Mutation in the four genes that are responsible for the cell division can be _____. inherited or acquired
_ is a scanning type of radiography that creates a three-dimensional picture of the inside of the body. Computed tomography
Part of a cancer diagnosis, _____ is helpful in making a prognosis of the disease. grading
Created by: user-2008470
 

 



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