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120 Cancer, Study Guide Review Exam Questions Containing 173 Terms with Definitive Solutions 2024.
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120 Cancer, Study Guide Review Exam Questions Containing 173 Terms with Definitive Solutions 2024.
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120 Cancer120 Cancer, Study Guide Review Exam
Questions Containing 173 Terms with
Definitive Solutions 2024.
what are common characteristics of cells? - Answer: all need nourishment to
maintain life,
oxygen,
& all deliver end product of chemical reactions into nearby fluids
, 120 Cancer
what happens when cells are destroyed? - Answer: the remaining cells of the
same type reproduce until the correct number has been replenished
how does cancer cells reproduce? - Answer: the immune system fails to recognize
the abnormal cells and cancer develops
what is the definition of cancer? - Answer: when abnormal cells divide
uncontrollably and spread into surrounding tissue caused by changes in DNA
cancer is the ....... leading cause of death after...... - Answer: 2nd leading cause of
death
heart disease
which cancer is the leading cause of death? - Answer: lung cancer
What is oncology? - Answer: branch of medicine regarding the study of cancer.
What is hyperplasia? why does it occur? what are some examples? - Answer:
increase in the number of density of normal cells
it occurs in response to stress, increased metabolic demand, or elevated hormone
levels
ex~ myocardial cells in responses to prolonged increase in the body's demand for
oxygen
uterine cells in response to rising estrogen levels during pregnancy
, 120 Cancer
What is metaplasia? why does this occur ? - Answer: reversible change in which
one adult cell type is replaced by another adult cell type
these changes are in response to chronic irritation and inflammation
What is dyplasia? what is examples ? - Answer: disturbed cell growth of specific
tissue, they show abnormal size and shape, and appearance as well as a
disturbance in their usual arrangement.
ex~ changes in cervix in response to continued irritation from HPV, leukoplakia
(white patches) on oral mucous membranes in response to chronic irritation from
smoking.
What is anaplasia? when does this usual occur? - Answer: the regression of a cell
to an immature or undifferentiated cell type associated with malignancies.
when a damaging or transforming event takes place inside dividing cells.
What is neoplasm? - Answer: also called tumor.
is a mass of new tissue that grows independently of its surroundings structure and
has no physical purpose
What is a benign tumor? - Answer: A mass of cells that grows out of control but
remains at the site of origin
What is a malignant tumor? - Answer: A mass of cancer cells that can spread.
It grows rapidly and spreads to other tissues.
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