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Author Question: Liquefactive necrosis occurs in the brain because: a. debris is not digested by hydrolases. b. ... (Read 56 times)

nautica902

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on: Jun 25, 2018
Liquefactive necrosis occurs in the brain because:
 
  a. debris is not digested by hydrolases.
  b. of protein denaturation.
  c. it is rich in hydrolytic enzymes and lipids.
  d. ischemia results in chemical injury.

Question 2

A group of prison inmates developed tuberculosis following exposure to an infected inmate. On examination, tissues were soft and granular (like clumped cheese). Which of the following is the most likely cause?
 
  a. Coagulative necrosis
  b. Liquefactive necrosis
  c. Caseous necrosis
  d. Autonecrosis


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yotaSR5

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
Liquefactive necrosis is due to enzymatic action and because cells of the brain are rich in en-zymes. Protein denaturation occurs primarily in the kidneys. Liquefactive necrosis is due to en-zymatic reaction and not to hypoxia or hydrolases.

Answer to Question 2

ANS: C
Caseous necrosis results from tuberculosis pulmonary infection. Coagulative necrosis occurs pri-marily in the kidneys, heart, and adrenal glands, and commonly results from hypoxia. Liquefac-tive necrosis results from ischemic injury to neurons and glial cells in the brain. Autonecrosis is a process of cellular self-digestion and is not due to infection such as tuberculosis.


nautica902

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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