Cerebral Infarctions and Causes Quiz

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Questions and Answers

Which of the following is a common cause of watershed cerebral infarctions?

  • Hypertension
  • Brain tumors
  • Meningitis
  • Atherosclerotic plaques (correct)

What is the typical scenario in which a deep border zone infarct is encountered?

  • Episodes of systemic hypotension combined with severe inflow stenosis or occlusion (correct)
  • Episodes of systemic hypertension
  • Episodes of acute respiratory distress syndrome
  • Episodes of high blood sugar

What is the difference in location of infarcts caused by hypoperfusion versus microembolism?

  • Hypoperfusion affects both the internal and external border zones, while microembolism affects only the external border zone (correct)
  • Hypoperfusion affects only the external border zone, while microembolism affects only the internal border zone
  • Hypoperfusion affects only the internal border zone, while microembolism affects only the external border zone
  • Hypoperfusion affects both the internal and external border zones, while microembolism affects only the internal border zone

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