Hemispheres 3.0 Level 2 Exam
Questions & Answers
Approximately how long can the penumbra survive without intervention before infarction
- ANSWER-6-8 hours
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 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 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
What areas are usually affected by small vessel occlusions? - ANSWER-basal ganglia
and internal capsule
Questions & Answers
Approximately how long can the penumbra survive without intervention before infarction
- ANSWER-6-8 hours
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 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 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
What areas are usually affected by small vessel occlusions? - ANSWER-basal ganglia
and internal capsule
