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Cerebrovascular Disease Overview
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Cerebrovascular Disease Overview

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Questions and Answers

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?

  • Cerebrovascular disease (correct)
  • Cerebral blood flow
  • Ischemic cascade
  • Cerebrovascular accident

    • 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?

    <p>Vessel narrowing, clot formation, blockage, or blood vessel rupture</p> Signup and view all the answers

    What is the term for lack of sufficient blood flow to the brain?

    <p>Ischemia</p> Signup and view all the answers

    What is the function of the veins in the brain?

    <p>To remove deoxygenated blood from the brain</p> Signup and view all the answers

    What percentage of cardiac output is cerebral blood flow in adults?

    <p>15%</p> Signup and view all the answers

    What is the normal range of intracranial pressure?

    <p>5-15 mmHg</p> Signup and view all the answers

    What is the result of too little blood flow to the brain?

    <p>Tissue death</p> Signup and view all the answers

    How long does it take for ischemic cascade to activate?

    <p>3 minutes</p> Signup and view all the answers

    What is the purpose of injecting contrast dye in cerebral angiography?

    <p>To take x-ray pictures</p> Signup and view all the answers

    What is the advantage of carotid duplex over other diagnostic tests?

    <p>It is noninvasive and painless</p> Signup and view all the answers

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