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. (D)</p> Signup and view all the answers

In which scenario does hypertrophy occur?

<p>Cardiac myocyte enlargement due to workload (A)</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. (B)</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 (C)</p> Signup and view all the answers

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