NR 283 exam 1.Chamberlain College of NursingSchool name NR 283.

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UNIT 1  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 neurotransmitters.  Cellular res... piration- 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 skin [Show More]

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