Cerebral Blood Flow and Stroke Board Review Questions
Cerebral blood flow (CBF) is an important factor that maintains brain function, and a prolonged insufficiency causes degeneration and irreversible impairment of brain function. Stroke is a heterogeneous syndrome caused by multiple disease mechanisms, but all result in a disruption of cerebral blood flow with subsequent tissue damage. Let's review cerebral blood flow and the latest guidelines for early management of acute ischemic stroke with this free CME quick quiz question, courtesy of Med-Challenger online medical education.
Do you know how to identify the appropriate levels of cerebral blood flow?
Try this free case - and earn CME from the full quiz online.Question:
It is known that brain cell membrane failure occurs when cerebral blood flow is < 10 ml/100 g of brain tissue per minute.
Which of the following cellular changes occurs at such low cerebral blood flow rates?
Answer Options:
Intracellular alkalosis
Failure of neuronal membrane pumps
Increased adenosine triphosphate (ATP)
Increased intracellular potassium
See the answer...
This stroke presentation question is just a sample from this week's free online medical education Quick Quiz.
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Every free board review "Question of the Week" is just a sampling of a larger set of free board review questions featured in Med-Challenger's latest CME Quick Quiz.
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