with correct answers
Approximately how long can the penumbra survive without intervention before infarction -
correct answer ✔✔ 6-8 hours
What area of ischemic tissue surrounds infarcted tissue yet is salvageable with timely
intervention? - correct answer ✔✔ penumbra
What is the expected blood flow rate in the infarct core? - correct answer ✔✔ 0-12ml/100g/min
What area is composed of infarcted, irreversibly damaged tissue without collateral blood flow? -
correct answer ✔✔ core
What cerebral blood flow rate is required for normal brain function? - correct answer ✔✔ 50
ml/100g/min
What is the most common cause of cardioembolic stroke? - correct answer ✔✔ a fib
What stroke has no single determined cause? - correct answer ✔✔ cryptogenic stroke
What ischemic stroke pathology involves a slow, stuttering/fluctuating presentation? - correct
answer ✔✔ large artery atherosclerotic stroke
What areas are usually affected by small vessel occlusions? - correct answer ✔✔ basal ganglia
and internal capsule