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NR-283 Pathophysiology- Exam 1 Study Guide

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NR-283 Pathophysiology- Exam 1 Study Guide Cellular communication- when cells send and receive messages to and from each other. These messages are in the form of chemicals such as hormones and neur... otransmitters. • Cellular respiration- process that releases energy by breaking down glucose and other food molecules in the presence of oxygen. • Cell metabolism- sum of all chemical reactions in the cell. • Cellular transport- movement of materials into and out of or within a cell. • Necrosis- (tissue death) sum of all cellular changes after local cell death and the process of cellular autodigestion. • Metaplasia- change in cell or tissue structure. Reprogramming of stem cells and reversible replacement. • Atrophy- wasting away of a body organ or tissue, progressive decline or failure. ( older population) • Hyperplasia- Abnormal increase in the number of cells (liver, kidneys, alcoholism) ( hormonal hyperplasia in pregnancy) • Dysplasia- abnormal development of growth of cells, tissues, or organs. ( pap-smear) • Injury- damage or destruction of cells that compose a tissue, cell, or organs • Asphyxial injury- caused by failure of celss to receive or effectively use of oxygen. ( choking, strangulation, drowning) • Reperfusion injury- a form of hypoxic cell injury, caused by a rush of oxygen coming back and generating free radicals • Contusion- bruise • Hematoma- swelling filled w/ blood • Abrasion- scrape of the skinNR-283 Pathophysiology- Exam 1 Study Guide [Show More]

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