Cellular Adaptation: Physiological and Pathological Responses
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Questions and Answers

What is compensatory hyperplasia?

  • Loss of uniformity of individual cells and architectural orientation
  • Liver regrowth following resection (correct)
  • Shrinkage in the size of a cell due to decreased protein synthesis or degradation
  • The replacement of one adult cell type by another adult cell type
  • What is atrophy?

  • Reversible change in cell type to better deal with stress
  • Liver regrowth following resection
  • Shrinkage in the size of a cell by the loss of cell substance (correct)
  • The replacement of one adult cell type by another adult cell type
  • What is metaplasia?

  • Loss of uniformity of individual cells and architectural orientation
  • Shrinkage in the size of a cell by the loss of cell substance
  • Reversible change in cell type to better deal with stress (correct)
  • The replacement of one adult cell type by another adult cell type
  • What is the main difference between hypertrophy and hyperplasia?

    <p>Hypertrophy involves an increase in cell size, while hyperplasia involves an increase in cell number.</p> Signup and view all the answers

    In which scenario does hypertrophy occur?

    <p>Cardiac myocyte enlargement due to workload</p> Signup and view all the answers

    What is the key characteristic of hyperplasia?

    <p>It results in an increase in cell numbers due to proliferation.</p> Signup and view all the answers

    How does cellular adaptation contribute to maintaining homeostasis?

    <p>By altering metabolism and/or structure to achieve a new, but altered steady state</p> Signup and view all the answers

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