NURS 264 Final Exam Review Exam Questions Already Answered Correctly.
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Course
NURS 264
Institution
NURS 264
Nucleus - Answer -command center of the cell
-contains DNA
-regulates all cell structure and function
Mitochondria - Answer -cell's energy producers
-converts organic nutrients into ATP
-own cellular DNA specifically inherited from mothers
Glycoproteins - Answer -identify cell...
Apoptosis - Answer programmed cell death (cell suicide)
-removes cells that are being replaced or have worn out
-removes unwanted tissue
-normal process in the body
Purpose of endothelial cells in arterial blood vessels - Answer -regulates exchanges between
bloodstream and surrounding tissue
-regulating blood flow and have a protective effect of endogenous anti-inflammatory systems
Disease processes associated with damage to endothelial cells in arterial blood vessels - Answer -
hypertension
, -free radicals
-LDL cholesterol
-diabetic hyperglycemia
-persistent secretion of angiotensin 2
-cardiovascular disease
-arteriosclerosis
Cellular Necrosis - Answer unregulated death caused by injures to cells
-not normal
-cells swell and rupture
-inflammation results
Gangrene - Answer a large area of necrotic tissue
-dry gangrene: lack of arterial blood supply but venous flow can carry fluid out of tissue (tissue tends to
coagulate)
-wet gangrene: lack of venous flow lets fluid accumulate in tissue (tissue tends to liquefy and infection is
likely)
-gas gangrene: Clostridium infection produces toxins and H2S bubbles
Potential of stem cell use - Answer offer the possibility of a renewable source of replacement
cells/tissues to treat diseases
-therapeutic cloning: developing new organs using somatic cells
-reproductive cloning: genetic engineering or manipulation
Genes - Answer basic units of inheritance
-contains DNA
-found on chromosomes
-influence all aspects of body structure and function
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