Causes of Cell Injury
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Questions and Answers

What is the most important cause of cell injury?

  • Hypoxia (correct)
  • Excessive or prolonged normal stimuli
  • Action of toxins inhibiting vital cell functions
  • Deficiency of oxygen and/or essential nutrients and metabolites

    • What is the complete block in the oxygen supply called?

  • Anoxia (correct)
  • Cellular swelling
  • Hypoxia
  • Oxidative phosphorylation

    • What are the hallmarks of reversible cell injury?

  • Clumping of nuclear chromatin
  • Reduced oxidative phosphorylation and depletion of energy stores (correct)
  • Cellular swelling caused by changes in ion concentrations and water influx
  • Detachment of ribosomes from the ER

    • In mild forms of injury, what are the functional and morphologic changes characterized by?

    <p>Swelling of the cell and its organelles</p> Signup and view all the answers

    What is the relative deficiency of oxygen called?

    <p>Hypoxia</p> Signup and view all the answers

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