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Growth Adaptations in Physiology
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Growth Adaptations in Physiology

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Questions and Answers

What is the primary reason for an increase in organ size in response to increased stress?

  • Decrease in protein synthesis
  • Gene inactivation
  • Increase in the size and number of cells (correct)
  • Apoptosis of existing cells

    • What is the main difference between permanent and non-permanent tissues in response to stress?

  • Permanent tissues can make new cells, while non-permanent tissues cannot
  • Permanent tissues undergo hyperplasia, while non-permanent tissues undergo hypertrophy
  • Permanent tissues undergo hypertrophy, while non-permanent tissues undergo hyperplasia
  • Permanent tissues cannot make new cells, while non-permanent tissues can (correct)

    • What is the risk associated with pathologic hyperplasia?

  • It never leads to cancer
  • It can progress to dysplasia and eventually cancer (correct)
  • It always leads to cancer
  • It has no relation to cancer

    • What is the exception to the rule that pathologic hyperplasia can progress to cancer?

    <p>Benign prostatic hyperplasia (BPH)</p> Signup and view all the answers

    What is the mechanism by which cell number decreases in atrophy?

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

    What is the typical outcome of metaplasia if the driving stressor is removed?

    <p>It reverts back to normal</p> Signup and view all the answers

    What is the term for the change in cell type that occurs in response to stress on an organ?

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

    What is the term for the abnormal growth of cells that can progress to cancer?

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

    What is the term for the formation of bone in soft tissue, often as a result of trauma?

    <p>Myositis ossificans</p> Signup and view all the answers

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