Oncology Nursing Flashcards
About how many women will develop cancer?
1/3
About how may men will develop cancer?
1/2
Cancer contributes to _/4 deaths.
1
Cancer ____ to heart disease as the most common cause of death.
2nd
Cancer will grow as long as it has ____ and _____.
nutrients and space
What is a cancer cell?
uncontrollable growth of irregular cells
Disorganized growth
dysplasia
increased cellularity
hyperplasia
abnormal appearing of cells
does not mean malignant
metaplasia
variance of size and shape of cell
pleomorphism
Good: has appearance of cell they originated from
Bad: Cannot tell where it came from (progressed cancers)
Differentiation
Cancer Cells:
- poor cell differentiation
- Invades other tissues
- Grow at new sites
- Avoid immune system
- Autonomy
Study of cancer
idiology
stops cells from proliferating
tumor suppressor genes
How do cancer cells get started?
- Exposure to carcinogens
- initiation
- promotion
- progression
- metastasis
Exposure to Carcinogens:
- incomplete-?
- complete-?
Incomplete- requires same cell to be exposed again after initiation.
Complete- directly causes the cancer
3 Stage Theory:
- initiation-?
- promotion-?
- progression-?
- Initiation- start with altered cell
- Promotion- enhances, alters, and lets it change
- Progression- neoplasm (new cell)