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NURS 2514 Week 1 Cancer Questions with Correct Answers.
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NURS 2514 Week 1 Cancer Questions with Correct Answers.
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NURS 2514 Week 1 Cancer Questions withCorrect Answers
Proliferation Correct Answer-- an increase in number, multiplication.
- cells divide
- cancer cells excell at this
differentiation of cells Correct Answer-- process in which cells become
specialized in structure and function
- cancer cells fail at this
characteristics of cancer (2) Correct Answer-uncontrolled and
unregulated growth of cells
3 most common cancers in Canada Correct Answer-- prostate (M) or
breast (F) cancer
- lung and bronchus cancer
- colorectal cancer
risk factors of cancer (4) Correct Answer-- excessive body weight
- lack of physical activity
- unhealthy eating habits
- excessive exposure to the sun
neoplasm Correct Answer-- a tumour
, - an abnormal mass of cells which grow and divide without response to
normal regulatory controls
current theory of cancer formation Correct Answer-multiple sequential
genetic mutation that impair a cell's ability to control its cell cycle and
replication
characteristics of malignant cells (4) Correct Answer-- proliferation
without limits
- evasion of apoptosis
- acquisition of vasculature (angiogenesis)
- invasion of other tissue and metastasis
proto-oncogenes Correct Answer-regulate normal cellular processes
such as promoting growth. when mutated that cause the ativation of
oncogene, it promotes proliferation. Cancer cells have mutated proto-
oncogenes
tumor suppressor genes Correct Answer-suppress growth. mutated TSG
can result in the gene being inactivated. therfore, causes the inactivation
of suppression mechanisms to prevent proliferation. Cancer cells have
mutated TSGs
carcinogenesis Correct Answer-process by which normal cells are
transformed into cancer cells. involves many mutations to DNA.
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