Exam 4 - Cancer Flashcards
(168 cards)
cancer is the ___ and ___ growth of cells
uncontrolled; unregulated
this results when normal cells mutate into abnormal, deviant cells that multiply and spread
cancer
study of cancer is called
oncology
3 potential patient goals r/t cancer
curative
control
pallative
curative care
no microscopic evidence of cancer in the body
remission
control care
treatment, retreatment
reduce s/sx
reduce burden of disease
increase quality of ife
palliative care
increase quality of life until death
frequent cancer locations in male
prostate
lung
colon/rectal
frequent cancer locations in females
breast
lung
colon/rectal
proliferation is ___ ___
cell growth
differentiation is the cycle of ___ ___
cell maturity
specialized cells are for what?
a specific area (GI, bone marrow, etc)
this is part of normal proliferation
what is contact inhibition
cells do not touch each other
benign growths are ___ where as malignancy will ___
encapsulated; spread
___ is a mass of new tissue that grows independently of its surrounding structures; no physiologic purpose
neoplasm (tumor)
what are the 2 neoplasm/tumor types
benign
malignant
benign neoplasm characteristics
localized, solid mass
well defined borders
easily removed
usually do not reoccur
slow growing
malignant neoplasm characteristics
grow, double aggressive
irregular shape
can reoccur
travel to form secondary tumor(s) (metastasis)
apoptosis is ___ ___
cell death
T or F. cancer cells are able to avoid death
true
what are the 2 major defects of cell mutation that result in cancer
defective cellular proliferation (growth) and differentiation (maturity)
grading the differentiation (maturity) of cancer
histological grading
increase in the number of density of normal cells
hyperplasia
adaptation of a cell d/t a stressor in the environment; normal for its type but has developed in an abnormal location; it is a protective manner and is reversible when stressor ceases
metaplasia