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NURS 2101 PREP EXAMWhich of the following compounds has been shown to increase the risk of cancer
when used in combination with smoking?
alcohol
The best explanation for higher rates of cancer in older populations is:
.
the development of cancer requires several mutations over time.
Oncogenes are:
genes that promote the development of cancer
A patient has been diagnosed with colorectal cancer, which is a malignant tumour.
Which feature is characteristic of a malignant tumour?
invades local tissues and structures
What are oncogenes?
Genes that have undergone mutation that direct the synthesis of protein to
accelerate the rate of tissue proliferation
Intestinal polyps are benign neoplasms and the first stage in the development of
colon cancer. These findings support the notion that:
an accumulation of mutations in specific genes is required for the development of
cancer.
,Mutations in proto-oncogenes generally
result in enhanced cell proliferation.
Regarding the pathogenesis of colorectal cancer which of the following is correct?
Colon cancer usually begins with a defect in a tumour suppressor gene
Regarding the incidence of colorectal cancer (CRC) in Australia, which of the
following is true?
CRC has the second-highest number of cancer deaths after lung cancer.
Regarding prevention or reducing the risk of colorectal cancer which of the
following is correct?
Risk can be reduced by eating a healthy diet and having regular exercise
Almost all cases of bowel cancer are preceded by?
Adenomas
Regarding prevention or reducing the risk of colorectal cancer which of the
following is correct?
Risk can be reduced by eating a healthy diet and having regular exercise
Regarding the pathogenesis of colorectal cancer which of the following is correct?
All of the above are correct
CorrectB.
Colon cancer usually begins with a defect in a tumour suppressor gene
,C.
Colon cancer usually begins with a mutation that causes cells to undergo apoptosis
D.
Colon cancer often begins with inactivation of one or more oncogene
colon cancer usually begins with a defect in a tumour suppressor gene
he development of colorectal cancer is a multistep process. This means that:
colorectal cancer results from an accumulation of mutations in a single cell or
progeny of that cell
Physical activity has been shown to reduce the risk of which of the following types
of cancer?
colon
what is is acidic
pH<7
What is allogenic
Cells or tissues which are immunologically incompatible
What is anaemia
Decreased number of RBCs and oxygen carrying capacity
what is anaphylaxis
Acute allergic reaction to antigen to which the body has become
, hypersensitive
What is ascites
Fluid accumulation in peritoneal cavity
Which of the choices below is not a source of glucose during the postabsorptive
state?
absorption of glucose from the GI tract
The ducts that deliver bile and pancreatic juice from the liver and pancreas,
respectively, unite to form the ________.
hepatopancreatic ampulla
The process of breaking triglycerides down into glycerol and fatty acids is known
as ________.
lipolysis
In gluconeogenesis, during the postabsorptive state, amino acids and ________ are
converted to glucose.
glycerol
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