What is an ischemic stroke?

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Study for the PLTW Biomedical Science EOC Test. Engage with flashcards and multiple-choice questions, each with detailed explanations. Excel in your exam!

Multiple Choice

What is an ischemic stroke?

Explanation:
An ischemic stroke happens when a blood vessel that supplies the brain becomes blocked, usually by a clot, so that part of the brain stops receiving oxygen. Without oxygen, brain cells die, leading to tissue death in that region. This distinguishes it from a hemorrhagic stroke, which involves bleeding into brain tissue. The idea of a blockage of airways describes airway obstruction, not a stroke.

An ischemic stroke happens when a blood vessel that supplies the brain becomes blocked, usually by a clot, so that part of the brain stops receiving oxygen. Without oxygen, brain cells die, leading to tissue death in that region. This distinguishes it from a hemorrhagic stroke, which involves bleeding into brain tissue. The idea of a blockage of airways describes airway obstruction, not a stroke.

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