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22 Cards in this Set
- Front
- Back
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etiology
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the study of disease or injury
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epidemiology
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the study of the occurrence or prevalence of disease
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pathology
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the study of changes in bodily structure and function that occur as a result of disease
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pathophysiology
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the manner in which the incorrect function is expressed
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atrophy
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decrease in size and function of a cell
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hypertrophy
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increase in size and functional capacity of a cell
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hyperplasia
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increase in the number of cells in an organ or tissue
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metaplasia
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conversion of cell from one cell type to another
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dysplasia
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change in size, shape , and organization of cellular components
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edema
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Increased extravascular fluid for which lymphatics are not able to keep up; causes swelling
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hyperemia
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Excess amount of blood in an organ
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Hemorrhage
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Abnormal discharge of blood
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Shock
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Failure of circulatory system to adequately supply blood to vital organs
Cardiogenic- due to heart damage or a heart problem Vasogenic- vessel problem, vasodilation Hypovolemic- loss of blood volume, either internal or external Septic- due to infection in bloodstream |
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Thrombosis
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Formation of a thrombus within the lumen of a blood vessel; is fixed to vessel wall
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Embolism
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Passage through vessels of material capable of obstructing the lumen of a blood vessel; not fixed to vessel wall
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Infarction
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Ischemic necrosis downstream from an arterial thrombus. Can occur in any blood vessel and affect the nearby organ.
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pancytopenia
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decreased numbers of formed elements (RBC,WBC, platelets)
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thrombocytopenia
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decreased number of platelets, causing risk for bleeding problems
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polycythemia vera
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malignant condition with abnormal bone marrow, causing overprodcution of RBC's
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Atelectasis
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Lung collapse due to obstruction or compression
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Pneumothorax
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Air in pleural cavity
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Pleural effusion
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Excess fluid in pleural space
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