Which of the following best describes the outcome of an ischemic stroke?
Brain cells begin to die as a result of decreased blood and oxygen supply
Bleeding occurs within brain tissue
The event resolves naturally within 24 hours without treatment
Ischemic stroke occurs due to an obstruction within a blood vessel supplying blood to the brain, which leads to death of brain cells due to lack of blood flow and oxygen. The description that brain cells begin to die as a result of decreased blood and oxygen supply accurately captures this process. The other options describe different pathological processes not specific to ischemic stroke; hemorrhagic strokes involve bleeding into or around the brain and transient ischemic attacks typically resolve without permanent brain damage.
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