Cellular Aging and Injury

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Questions and Answers

Which of the following is a result of cellular aging?

  • Improved cellular function
  • Increased ability to regenerate
  • Decreased ability to respond to injury (correct)
  • Enhanced ability to adapt to changes

What are the two possible outcomes when a cell is exposed to stimulus, changes, or injury?

  • Partial and complete
  • Reversible and irreversible (correct)
  • Temporary and permanent
  • Adaptive and maladaptive

Which type of necrosis affects internal organs such as the heart, liver, and kidneys?

  • Apoptotic necrosis
  • Caseous necrosis
  • Fatty necrosis
  • Coagulative necrosis (correct)

Which structures within a cell are affected by swelling during injury?

<p>Mitochondria (A)</p> Signup and view all the answers

What happens to intracellular sodium and calcium levels during cell injury?

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

During the wound healing process, which stage involves the formation of a blood clot?

<p>Hemostasis (C)</p> Signup and view all the answers

Which factors can contribute to the formation of non-healing chronic wounds?

<p>Diabetes and venous or arterial disease (B)</p> Signup and view all the answers

What is the function of the epidermis and dermis in undamaged skin?

<p>To form a protective barrier (B)</p> Signup and view all the answers

Which stage of wound healing involves tissue growth and cell proliferation?

<p>Cell proliferation (C)</p> Signup and view all the answers

What is the term for the replacement of destroyed or damaged tissue by newly produced tissue?

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

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