Cellular Adaptations and Injuries Quiz

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Questions and Answers

What occurs when cellular adaptation exceeds the limits of the cell's ability to compensate?

  • Cell proliferation
  • Cell injury (correct)
  • Cell growth
  • Cell differentiation

Which type of cell injury is characterized by reversible changes?

  • Necrosis
  • Reversible cell injury (correct)
  • Irreversible cell injury
  • Apoptosis

What type of cellular adaptation is characterized by an increase in cell size?

  • Metaplasia
  • Atrophy
  • Hyperplasia
  • Hypertrophy (correct)

Which of the following is NOT considered a cellular adaptation to stress?

<p>Necrosis (B)</p> Signup and view all the answers

Which response to severe persistent stress leads to cell injury?

<p>Irreversible cell injury (B)</p> Signup and view all the answers

Flashcards

Cell Injury

A state where cells are altered in structure or function due to excessive stress that overwhelms their ability to adapt.

Cellular Adaptations

Cells change to survive in response to stress, like a muscle growing bigger due to exercise.

Reversible Cell Injury

Changes that are reversible, like a muscle shrinking (atrophy) due to lack of use or a cell growing larger (hypertrophy) due to demand.

Irreversible Cell Injury

Changes that are permanent and can lead to cell death, like a cell being starved of oxygen for too long.

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Metaplasia

A type of cellular adaptation where cells change into a different type, like a muscle cell turning into a fat cell.

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