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NSG 533 EXAM 1|| ACTUAL EXAM ALL QUESTIONS AND 100% CORRECT ANSWERS ALREADY GRADED A+|| LATEST UPDATE 2024 WITH VERIFIED SOLUTIONS|| ASSURED PASS!!! $15.49   Add to cart

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NSG 533 EXAM 1|| ACTUAL EXAM ALL QUESTIONS AND 100% CORRECT ANSWERS ALREADY GRADED A+|| LATEST UPDATE 2024 WITH VERIFIED SOLUTIONS|| ASSURED PASS!!!

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5 essential components of pathophysiology - ANSWER: 1. Etiology 2. Epidemiology 3. Pathogenesis 4. Clinical Manifestations 5. Outcomes other terms for "unknown" etiology of disease - ANSWER: idiopathic and cryptogenic define iatrogenic - ANSWER: etiology of disease as a result of surgi...

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  • October 21, 2024
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NSG 533 EXAM 1|| ACTUAL EXAM ALL
QUESTIONS AND 100% CORRECT ANSWERS
ALREADY GRADED A+|| LATEST UPDATE 2024
WITH VERIFIED SOLUTIONS|| ASSURED PASS!!!
5 essential components of pathophysiology - ANSWER: 1. Etiology
2. Epidemiology
3. Pathogenesis
4. Clinical Manifestations
5. Outcomes


other terms for "unknown" etiology of disease - ANSWER: idiopathic and
cryptogenic


define iatrogenic - ANSWER: etiology of disease as a result of surgical/medical
intervention


define incidence of epidemiology - ANSWER: the new number of cases in a
given population in a specific time period


define prevalence of epidemiology - ANSWER: number of cases, both old and
new, during a specific time period


what are the four common mechanisms of cell injury and death - ANSWER: 1.
ATP Depletion
2. Oxygen and oxygen-derived free radicals
3. intracellular calcium and loss of calcium state
4. defects in membrane permeability

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what is the most common stressor of disease - ANSWER: ATP deletion


what are the two phases of ATP production? - ANSWER: 1. Anaerobic
(glycolysis)
2. Aerobic (oxidative phosphorylation)


how many ATP does glycolysis yield? - ANSWER: 2


How many ATP does oxidative phosphorylation yield? - ANSWER: 36


in ATP depletion, what are the four critical points where ATP production may be
impaired? - ANSWER: 1. Hypoxia
2.


ischemia - ANSWER: reduced blood flow


Explain hypoxia in terms of ATP depletion - ANSWER: obstruction --> ischemia
--> decreased ATP production --> a) sodium/potassium ion pump fails, and b)
increased anaerobic glycolysis


explain what happens when the Na-K-ATPase pump fails due to decreased ATP
production - ANSWER: normally, most sodium ions are outside the cell and most
potassium ions are inside the cell


when the pump fails, sodium freely enters the cell with H2O and calcium, and
potassium freely exits the cell

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as a result, the cell swells and and protein synthesis stops


where does protein synthesis occur in a cell? - ANSWER: Rough ER with
ribosomes on the surface


explain what happens where there is an increase in glycolysis due to decreased
ATP production - ANSWER: glycogen is decreased, lactate is increased,
intracellular pH is decreased


decreased pH results in pyknosis, karyorrhexis, and karyolysis


define free radicals - ANSWER: unstable compounds with an unpaired electron


why are free radicals bad? - ANSWER: they bind to the phospholipid bilayer of a
cell and drill holes in its membrane


what are reactive oxygen species? - ANSWER: highly reactive forms of oxygen
typically from the mitochondria


why are antioxidants important - ANSWER: protect cells from free radicals and
ROS


are antioxidants increased or decreased in oxidative stress - ANSWER: decreased
:(


what are three diseases linked to oxygen-derived free radicals? - ANSWER: 1.
Atherosclerosis
2. Cancer

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