NURS 6501 Week 2 Quiz - All Correct
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membrane Incomplete reduction of oxygen at the mitochondrial level Which of the following is involved in the pathophysiology of the reperfusion injury? Increased recruitment of fibroblasts and smooth muscle cells Inactivation of the NA/K -ATPase Activation of the complement cascade Increased release of the anti-inflammatory cytokines Which of the following contributes to the formation of reactive oxygen species in reperfusion? Decreased activity of the Golgi apparatus Increased extracellular calcium concentration Increased recruitment of the inflammatory cells Decreased activity of the cytochrome C oxidase enzyme A maladaptive response of the heart to high blood pressure will lead to? Preservation of peripheral perfusion Heart failure Increased heart contractility Decreased size of the myocytes What type of adaptation occurs in the heart in cases of hypertension? Dysplasia Hyperplasia Metaplasia Hypertrophy Which of the following is a mechanism of cell atrophy? Withdrawal of the stimulating hormone Evasion of apoptosis Persistent chemical irritation Loss of neuronal connections and cell death Autophagy plays an important role in which of the following processes? Synthesis of glycogen and long-chain fatty acids Defense against cancer cells Defense against intracellular pathogens Packaging proteins destined to be exported from the cell What role does mTOR play in autophagy regulation? Activation of the starvation signaling pathways Inhibition of the LC3B proteins Inhibition of the Atg gene products Activation of the Akt protein
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