Health Care > EXAM > MSN 570 Advance Patho| Questions with complete Answers (All)

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MSN 570 Advance Patho| Questions with complete Answers

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MI Correct Answer: Death of myocardium from sudden blockage of coronary artery blood flow What causes cell death in MI? Correct Answer: unstable plaque breaks off, triggering platelet aggregation... , coagulation cascade and thrombus formation. continued no blood flow in 10 seconds ischemia, 20 minutes cell die What consequence of cell death leads to CP? Correct Answer: hypoxia as cannot meet cell demand for oxygen How is MI diagnosed Correct Answer: EKG (STEMI) or elevated Troponin (non-STEMI) What might you find in blood consistent with MI? Correct Answer: elevated CK MB, Troponin Where does CK MB and Troponin come from? Correct Answer: Release of lysosomal enzymes; CK MB detected after myocardial necrosis, Troponin released from damaged heart muscle 3 mechanism of cell injury related to reperfussion injury Correct Answer: ischemia, necrosis, reperfussion l/t RAS define reperfussion injury Correct Answer: injury that occurs after oxygen is reintroduced to tissue perfusion how does inflammatory process contribute to reperfussion injury? Correct Answer: as oxygen is reintroduced it comes in contact with damaged proteins triggering inflammatory response how does oxidative process contribute to RI? Correct Answer: RAS causes impairment of cell membrane and pro-apotptoic cells release. making cell unstable what is primary Hypertension? Correct Answer: Essential or idiopathic, elevated BP without an identified cause, accounts for 90 - 95% of all cases of hypertension? what is secondary hyperten [Show More]

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