Causes of Cell Injury: Hypoxia and Fatty Change

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Questions and Answers

Causes Of Cell Injury

  • Down’s syndromeand sickle cell anemia. (correct)
  • Fatty change
  • Hemorrhage

  1. Hypoxia due to:

  • Increase of blood supply.
  • Increase of oxygen
  • c-Loss of oxygen carrying capacity of blood as in anemia. (correct)

Irreversible cell injury

  • Fatty change
  • Infarction
  • Apoptosis (correct)

Reversible cell injury (degeneration)

<p>Caused by mild injury of short duration affecting parenchymatous organs: (B)</p> Signup and view all the answers

Fatty Change

<p>Accumulation of excess fat in cells of parenchymatous organs. (A)</p> Signup and view all the answers

From characteristics of fatty change

<p>Tense capsule with rounded borders and smooth surface. (B)</p> Signup and view all the answers

From Causes Of Cell Injury

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

Fatty change give

<p>Signet ring appearance (A)</p> Signup and view all the answers

In mild cases of fatty change

<p>cytoplasm contains droplets of fat. (B)</p> Signup and view all the answers

lysosomal enzymes of dead cells Is

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

pyknosis is

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

Nuclear changes in necrosis:

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

Sudden ischemia cause

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

Occurs in C.N.S. and abscess.

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

Tuberculosis cause which type of necrosis

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

<p>Caseous necrosis = • Coagulative necrosis with partial liquifaction Liquifactive = Necrotic tissue becomes soft and liquified by action of hydrolytic enzymes. Fat = Acute hemorrhagic pancreatitis and Hemorrhage and chalky white patches. Coagulative = Occurs in all organs except brain.</p> Signup and view all the answers

Traumatic fat necrosis common in

<p>Female breast and subcutaneous fat (B)</p> Signup and view all the answers

Fibrinoid necrosis

<p>Connective tissue necrosis. (A)</p> Signup and view all the answers

Apoptosis

<p>Programmed cell death that involves single or clusters of cells. (B)</p> Signup and view all the answers

Apoptosis

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

Necrosis

<p>Surrounded by inflammation (A)</p> Signup and view all the answers

Apoptosis

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

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