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NUR 305: Pathophysiology Ch. 2, 3, 5, 6, 9, 10, 11, 7, 8, 40) EXAM 1 Latest Updated 2024 $37.89   Add to cart

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NUR 305: Pathophysiology Ch. 2, 3, 5, 6, 9, 10, 11, 7, 8, 40) EXAM 1 Latest Updated 2024

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NUR 305: Pathophysiology Ch. 2, 3, 5, 6, 9, 10, 11, 7, 8, 40) EXAM 1 Latest Updated 2024 genetic damage - ANSWER-mutations atrophy - ANSWER-decrease in cell size occurs when the cells environment cannot support its metabolic requirements EX: shrinking of skeletal muscle cells - paralysi...

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  • September 6, 2024
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  • NUR 305: Pathophysiology Ch. 2, 3, 5, 6, 9, 10, 11
  • NUR 305: Pathophysiology Ch. 2, 3, 5, 6, 9, 10, 11
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NUR 305: Pathophysiology Ch. 2, 3, 5, 6, 9, 10, 11, 7, 8, 40) EXAM 1 Latest Updated 2024

genetic damage - ANSWER-mutations



atrophy - ANSWER-decrease in cell size

occurs when the cells environment cannot support its metabolic requirements

EX: shrinking of skeletal muscle cells - paralysis



hypertrophy - ANSWER-increase in cell size

EX: physiologic hypertrophy: increase in cell size WITH increase in supportive structures - strength
training

EX: pathological hypertrophy: increase in cell size WITHOUT increase in supportive structures -
hypertension



hyperplasia - ANSWER-increasing the number of cells

EX: pregnancy - stimulated by hormones

EX (mal): scars



metaplasia - ANSWER-replacement of one cell type of another cell type

EX: stomach



dysplasia - ANSWER-range of cellular growth winter a specific tissue

EX: chronic inflammation of precancerous condition



neoplasia - ANSWER-new growth & disorganized cell growth = cancerous

can be benign or malignant

,define cellular injury - ANSWER-cells that no longer maintain homeostasis



causes of cellular injury - ANSWER-hypoxic cell injury

free radical

physical agents

chemical injury

infectious agents

injurious immo reactions

genetic defects

nutritional imbalances



changes that occur during cellular injury - ANSWER-dysfunction of Na+/K+ pump

loss of plasma membrane integrity

defects in protein synthesis ability

intracellular accumulations

genetic damage



dysfunction of Na+/K+ pump - ANSWER-when the cells unable to produce sufficient ATP, functions are
reduced

EX: failure to active transport mechanisms



loss of plasma membrane integrity - ANSWER-when a breach occurs, injurious agents can affect any of
the organelle

EX: water can enter = swelling

EX: mitochondria can be damaged = stop energy production

, defects in protein synthesis ability - ANSWER-dwindling ATP

EX: lack of protein synthesis = cell death



intracellular accumulations - ANSWER-EX: occur when liver is exposed to lots of alcohol

EX: (environmental) anthracosis - coal miners lung disease




two types of cell deaths - ANSWER-apoptosis

necrosis



apoptosis - ANSWER-programed cell death

EX: menopause



necrosis - ANSWER-cell death by injury

EX: stab die



interventions for cell injury - ANSWER-cadaver

stem cell

cell cloning



ischemia - ANSWER-reduced blood flow



gangrene - ANSWER-dead tissue for certain types of bacteria

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