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Exam (elaborations)

NU 327 PATHOPHYSIOLOGY EXAM 4 QUESTIONS AND CORRECT DETAILED ANSWERS

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NU 327 PATHOPHYSIOLOGY EXAM 4 QUESTIONS AND CORRECT DETAILED ANSWERS

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Prehypertension


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120-139/80-89




vasculitis


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inflammation of an artery




Shock

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Life threatening imbalance between O2 supply and demand at the cellular
level

When the cell does not have adequate O2 and nutrients, it is unable to
metabolic needs

Inadequate ATP= Failure of Na+/K+ pump




Cardiogenic treatment


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myocardial damage is not reversible
restore coronary perfusion
decrease demand and increase supply of O2
give dopamine, dobutamine and nitroglycerin




Ischemia


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Inadequate oxygen supply to the myocardium as a result of impaired blood
flow




Stenosis


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, Failure of valve to open completely
Increased work because blood must be forced through high resistance
Usually progresses slowly giving heart time to compensate (hypertrophy)




Cholesterol


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<200




Complications of Shock- Acute Renal Failure


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Kidney undergo prolonged hypoperfusion
Vasoconstriction decreases glomerular blood flow
Hypoxic cellular damage
Necrosis of tubular epithelia cells. Acute Tubular Necrosis (ATN) waste
products
Increase blood urea nitrogen (BUN) and creatinine
Decreased urine output




Cardiogenic Shock


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Ventricular dysfunction
Myocardial infarction
Cardiomyopathy
Valvular heart disease

, Ventricular rupture
Congenital heart defects
Papillary muscle rupture




LDL


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<100




Contractility


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How forceful the chambers squeeze blood




Deep Vein Thrombosis


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