NU 545 Advanced Pathophysiology Unit 1 with 176 quiz and approved complete solutions 100% correct.
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Course
Advanced pathophysiology
Institution
Advanced Pathophysiology
NU 545 Advanced Pathophysiology Unit 1 with 176 quiz and approved complete solutions 100% correct.
NU 545 Advanced Pathophysiology Unit 1 with 176 quiz and approved complete solutions 100% correct.
NU 545 Advanced Pathophysiology Unit 1 with 176 quiz and approved complete solutions 100% correct.
...
NU 545 Advanced Pathophysiology Unit
1 with 176 quiz and approved complete
solutions 100% correct.
NU 545 Advanced Pathophysiology Unit
1 with 176 quiz and approved complete
solutions 100% correct.
Atrophy - ANSWER- a decrease in cell SIZE or number, with a corresponding decrease
in number and size of cellular constituents
OCCURS IN NORMALLY FORMED ORGANS
hypertrophy - ANSWER- an increase in cell SIZE and tissue mass, as opposed to cell
number
hyperplasia - ANSWER- in increase in cell NUMBER, as opposed to cell size. (ONLY
OCCURS IN CELLS THAT UNDERGO MIITOTIC DIVISION)
stimuli for hyperplasia - ANSWER- compensatory
hormonal
pathologic
physiologic
non-physiologic
Compensatory hyperplasia - ANSWER- an enlargement of the remaining organ or
tissue after a portion has been surgically removed or rendered inactive
hormonal hyperplasia - ANSWER- allows some tissues (usually reproductive) to
enlarge. ex: benign tumor
pathologic hyperplasia - ANSWER- occurs as a result of disease conditions and may be
adaptive or compensatory
physiologic hyperplasia - ANSWER- can occur as a result of compensation, hormonal
stimulation or increased functional demands
ex: exersice
non-physiologic hyperplasia - ANSWER- usually due to a hormonal stimulation or
effects of growtrh factors on target tissues.
causes of cell atrophy - ANSWER- include disuse and reduced functional demand, loss
of trophic stimuli, insufficient nutrients, decreased blood flow, persistent cell injury and
aging
, NU 545 Advanced Pathophysiology Unit
1 with 176 quiz and approved complete
solutions 100% correct.
organ atrophy - ANSWER- due to an irreversible loss of cells.
ex: Alzheimer's disease is secondary to extensive cell death, and the size of the organ
cannot be restored.
disuse atrophy - ANSWER- paticularly in muscle tissue, when workload diminishes,
cells reduce their oxygen consumptionand other cellular functionsby decreasing their
number and size of their organelles and other structures.
hyperplasia - ANSWER- a controlled proces that occurs in response to an appropriate
stimulus and ceases after the stimulus has been removed. may be physiologic or non-
physiologic.
hyperplasia - ANSWER- an importart response of connective tissue in wound healing,
during which proliferation fibroblats and blood vessels contribute to wound repair.
hypertrophy and hyperplasia - ANSWER- often occur together
dysplasia or atypical hyperplasia - ANSWER- abnormal changes in cell size, shape and
apperance.
minor dysplasia - ANSWER- is associated with chronic iritation/inflammation.
Dysplastic cells - ANSWER- may be found adjacent to neoplastic (cancer) cells. As an
adaptive process, it does not necessarily lead to cancer.
Metaplasia - ANSWER- conversion of one cell type to another usually caused by
chronic inflammation/irritation and can be reversed if the irritant is removed. Continued
exposure to the irritant may predispose to cellular neoplastic transformation.
Neoplasia - ANSWER- growth of a neoplasm is uncoordinated and autonomous lacking
regulatory controls governing cellular growth and division.
Somatic Death - ANSWER- Alogor mortis
livor mortis (lividity)
rigor mortis
Alor mortis - ANSWER- cooling of the body. The body temp. changes 1 - 1.5 degress
Ferinheit per hour intil it reaches ambient temp
livor mortis (lividity) - ANSWER- gravitational pooling of the blood to the lowest point.
The blood clots and becomes fixed by 12 hrs. postmortum
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