Cellular changes and adaptation 2
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Questions and Answers

Which of the following is the commonest form of necrosis?

  • Liquefactive necrosis
  • Fat necrosis
  • Caseous necrosis
  • Coagulative necrosis (correct)

Which morphological change is characteristic of coagulative necrosis in its early stages?

  • Acidophilic opaque mass with loss of nucleus
  • Formation of a liquid-filled cystic cavity
  • Pale and firm appearance (correct)
  • Preservation of cellular structure

Which organ does not experience coagulative necrosis with ischemia/hypoxia?

  • Brain (correct)
  • Kidney
  • Heart
  • Liver

Which of the following best describes the histological appearance of cardiac myocytes during coagulative necrosis?

<p>The cells retain their faint outline of structure (D)</p> Signup and view all the answers

What is the initial (first few hours) histological appearance of cardiac myocytes during coagulative necrosis?

<p>No visible abnormality (B)</p> Signup and view all the answers

What happens to the damaged area during coagulative necrosis of cardiac myocytes?

<p>It is removed by phagocytosis (D)</p> Signup and view all the answers

Which of the following is the morphological pattern of necrosis seen in an abscess due to bacterial infections?

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

What is the gross appearance of tissue undergoing liquefactive necrosis?

<p>Soft and cystic fluid with debris (C)</p> Signup and view all the answers

What is the histological appearance of the fluid in an abscess undergoing liquefactive necrosis?

<p>Amorphous eosinophilic fluid (D)</p> Signup and view all the answers

Which type of necrosis is characterized by the release of lipid from cell walls of Mycobacterium tuberculosis after destruction by macrophages?

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

What is the gross appearance of tissue undergoing caseous necrosis?

<p>Soft, friable, yellow-white debris resembling cheesy material (D)</p> Signup and view all the answers

What is the histological appearance of tissue undergoing caseous necrosis?

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

Which type of necrosis is characterized by the release of powerful enzymes from injured acinar cells of the pancreas?

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

What is the gross appearance of fat necrosis?

<p>Chalky white areas (C)</p> Signup and view all the answers

What is the microscopic appearance of fat necrosis?

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

Which form of necrosis is predominant in dry gangrene?

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

What is the primary characteristic of dry gangrene?

<p>Loss of blood supply without infection (C)</p> Signup and view all the answers

What is the gross appearance of tissue undergoing liquefactive necrosis?

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

Which type of necrosis is predominant in wet gangrene?

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

Which of the following is the primary cause of fibrinoid necrosis in small blood vessels?

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

What is the gross appearance of tissue undergoing fibrinoid necrosis?

<p>No specific gross appearance (D)</p> Signup and view all the answers

Which condition is associated with fibrinoid necrosis of smooth muscle wall?

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

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