Gangrene and Inflammation Process
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Questions and Answers

What is the primary cause of diabetic gangrene in diabetic females after the age of 45 years?

  • Uncontrolled hyperlipaemia
  • Atherosclerosis
  • Uncontrolled diabetes (correct)
  • Hyperglycaemia
  • What is the characteristic of dry gangrene in terms of putrefaction?

  • Rapid putrefaction
  • No putrefaction
  • Variable putrefaction
  • Slow putrefaction (correct)
  • Which type of gangrene usually affects internal organs?

  • Moist gangrene (correct)
  • Atherosclerotic gangrene
  • Diabetic gangrene
  • Dry gangrene
  • What is the characteristic of moist gangrene in terms of toxin production?

    <p>Maximal toxin production</p> Signup and view all the answers

    What separates the healthy tissues from the gangrenous tissues in the gangrenous process?

    <p>Line of separation</p> Signup and view all the answers

    What is the main difference between dry and moist gangrene?

    <p>Amount of blood supply</p> Signup and view all the answers

    What is the outcome of the natural amputation process in gangrene?

    <p>Formation of a conical stump</p> Signup and view all the answers

    What is a predisposing factor for senile gangrene?

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

    What is the typical appearance of a gangrenous area?

    <p>Black, cold, and mummified</p> Signup and view all the answers

    What is the usual site of onset for senile gangrene?

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

    What happens to healthy tissues when irritated?

    <p>They become inflamed</p> Signup and view all the answers

    What is the result of cut-off of blood supply in senile gangrene?

    <p>Small area of necrosis</p> Signup and view all the answers

    What is the primary cause of necrosis in gangrene?

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

    What type of ischaemia can lead to infarction or gangrene?

    <p>Sudden acute ischaemia</p> Signup and view all the answers

    What is the effect of a big embolus in the pulmonary trunk?

    <p>Sudden death due to acute right sided heart failure</p> Signup and view all the answers

    What is the result of putrefaction in gangrene?

    <p>Breakdown of proteins and production of H2S</p> Signup and view all the answers

    What type of ischaemia can lead to ischaemic atrophy?

    <p>Gradual chronic ischaemia</p> Signup and view all the answers

    What is the difference between dry and moist gangrene?

    <p>Moist gangrene is caused by bacterial toxins, while dry gangrene is caused by sudden ischaemia</p> Signup and view all the answers

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