Home
Flashcards
Preview
Med Surg
Home
Get App
Take Quiz
Create
Two major dysfunctions present in the process of cancer
defective cellular proliferation
defective cellular differentiation
Protooncogenes are
normal cellular genes that are improtant regulators of norm cell processes that keep them in their mature, functioning state
When protooncogenes are mutated they can act as?
oncogenes (tumor- inducing genes)
Benign neoplasms are
well differentiated
Malignan neoplasms range from
well-differentiated to undifferentiated
Initiation of cancer can be caused by?
genetic structure/ inherited mutation
an error that occurs during DNA replication
exposure to a chemical, radiation or a viral agent
Promotion of cancer is
characterized by reversible proliferation of the altered cells
Progession the final stage is
characterized by ^ growth rate of the tumor, ^ invasiveness, and spread of the cancer to a distant site (metatasis)
most frequent sites of metastasis are
lungs
bone
brain
liver
adrenal glands
The process by which cancer cells evade the immune sys. is
immunologic escape
tumor-associated antigens are
altered surface antigens on the cell
oncofetal antigens are
a type of antigen that cen be used as a tumor marker to moitor the effect of therapy and indicate tumor recurrence
Author
30acre
ID
88010
Card Set
Med Surg
Description
Final
Updated
2011-05-27T15:14:20Z
Show Answers
Home
Flashcards
Preview