HEMISPHERES 3.0 LEVEL 2 | QUESTIONS AND
ANSWERS | 2026 UPDATE | ALREADY PASSED
Approximately how long can the penumbra survive without intervention before
infarction Answer - 6-8 hours
What area of ischemic tissue surrounds infarcted tissue yet is salvageable with
timely intervention? Answer - penumbra
What is the expected blood flow rate in the infarct core? Answer -
0-12ml/100g/min
What area is composed of infarcted, irreversibly damaged tissue without
collateral blood flow? Answer - core
What cerebral blood flow rate is required for normal brain function? Answer -
50 ml/100g/min
What is the most common cause of cardioembolic stroke? Answer - a fib
What stroke has no single determined cause? Answer - cryptogenic stroke
What ischemic stroke pathology involves a slow, stuttering/fluctuating
presentation? Answer - large artery atherosclerotic stroke
ANSWERS | 2026 UPDATE | ALREADY PASSED
Approximately how long can the penumbra survive without intervention before
infarction Answer - 6-8 hours
What area of ischemic tissue surrounds infarcted tissue yet is salvageable with
timely intervention? Answer - penumbra
What is the expected blood flow rate in the infarct core? Answer -
0-12ml/100g/min
What area is composed of infarcted, irreversibly damaged tissue without
collateral blood flow? Answer - core
What cerebral blood flow rate is required for normal brain function? Answer -
50 ml/100g/min
What is the most common cause of cardioembolic stroke? Answer - a fib
What stroke has no single determined cause? Answer - cryptogenic stroke
What ischemic stroke pathology involves a slow, stuttering/fluctuating
presentation? Answer - large artery atherosclerotic stroke
