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</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</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</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</p> Signup and view all the answers

    What is the gross appearance of tissue undergoing liquefactive necrosis?

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

    What is the histological appearance of tissue undergoing caseous necrosis?

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

    What is the gross appearance of fat necrosis?

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

    What is the microscopic appearance of fat necrosis?

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

    Which form of necrosis is predominant in dry gangrene?

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

    What is the primary characteristic of dry gangrene?

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

    What is the gross appearance of tissue undergoing liquefactive necrosis?

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

    Which type of necrosis is predominant in wet gangrene?

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

    What is the gross appearance of tissue undergoing fibrinoid necrosis?

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

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

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

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