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