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Questions and Answers
What is the main function of the cerebral circulation?
What is the main function of the cerebral circulation?
- To regulate blood pressure in the brain
- To remove carbon dioxide and lactic acid from the brain
- To transmit nerve impulses in the brain
- To deliver oxygenated blood and nutrients to the brain (correct)
What is the term for the temporary or permanent effect on an area of the brain due to ischemia or bleeding?
What is the term for the temporary or permanent effect on an area of the brain due to ischemia or bleeding?
- Cerebrovascular disease (correct)
- Cerebral blood flow
- Ischemic cascade
- Cerebrovascular accident
What is the Circle of Willis?
What is the Circle of Willis?
- A type of aneurysm
- A type of vascular malformation
- A circulatory anastomosis that supplies blood to the brain (correct)
- A type of stenosis
What can restrict blood flow in the brain?
What can restrict blood flow in the brain?
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What is the term for lack of sufficient blood flow to the brain?
What is the term for lack of sufficient blood flow to the brain?
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What is the function of the veins in the brain?
What is the function of the veins in the brain?
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What percentage of cardiac output is cerebral blood flow in adults?
What percentage of cardiac output is cerebral blood flow in adults?
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What is the normal range of intracranial pressure?
What is the normal range of intracranial pressure?
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What is the result of too little blood flow to the brain?
What is the result of too little blood flow to the brain?
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How long does it take for ischemic cascade to activate?
How long does it take for ischemic cascade to activate?
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What is the purpose of injecting contrast dye in cerebral angiography?
What is the purpose of injecting contrast dye in cerebral angiography?
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What is the advantage of carotid duplex over other diagnostic tests?
What is the advantage of carotid duplex over other diagnostic tests?
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