Cell Injury Causes and Adaptation

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Questions and Answers

What type of adaptation is characterized by an increase in the size of cells?

  • Hypertrophy (correct)
  • Metaplasia
  • Dysplasia
  • Hyperplasia

What is the primary cause of hypoxia as a form of cell injury?

  • Chemical agents
  • Immunologic reactions
  • Deficiency of oxygen (correct)
  • Biological agents

What is the term for the process of programmed cell death?

  • Hypertrophy
  • Necrosis
  • Atrophy
  • Apoptosis (correct)

What type of agent is responsible for cell injury due to alkalis, acids, and insecticides?

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

What is the term for a reversible modification of cell morphology and function in response to stress?

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

What is the term for a type of adaptation characterized by a decrease in cell size?

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

What type of cells can undergo metaplasia?

<p>Labile and stable cells (D)</p> Signup and view all the answers

What is an example of epithelial metaplasia?

<p>Squamous metaplasia in the urinary bladder mucosa (B)</p> Signup and view all the answers

What is atrophy characterized by?

<p>A reduction in the size of an organ due to a decrease in the number and/or size of its cells (B)</p> Signup and view all the answers

What is the characteristic of connective tissue metaplasia?

<p>It is irreversible (C)</p> Signup and view all the answers

What is the difference between epithelial and connective tissue metaplasia?

<p>Epithelial metaplasia is reversible, while connective tissue metaplasia is not (A)</p> Signup and view all the answers

What is a cause of epithelial metaplasia?

<p>All of the above (D)</p> Signup and view all the answers

What is hyperplasia characterized by?

<p>An increase in the size of an organ due to an increase in the number of its cells (D)</p> Signup and view all the answers

Which type of hypertrophy occurs in muscles?

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

What is the cause of hormonal hypertrophy in acromegaly and gigantism?

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

What is an example of glandular metaplasia?

<p>Intestinal metaplasia of the gastric mucosa (B)</p> Signup and view all the answers

Which type of hyperplasia occurs in the endometrium after menstruation?

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

What is the term for the increase in the size of an organ due to an increase in the function of its cells?

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

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