Which statement best describes stroke?

Which statement best describes stroke?

• A. It is a disruption of blood flow to a part of the brain which may cause permeate damage to the brain tissue.
• B. It is a disruption of blood flow to the heart.
• C. It is an infection of the brain.
• D. It is a blockage in the pulmonary vessels.

Answer: (A)

Stroke is an acute event where blood flow to a part of the brain is suddenly interrupted, depriving brain tissue of oxygen and nutrients. This disruption can cause brain cells to die, leading to potential permanent damage depending on how long the blood supply is blocked and which area is affected. Strokes can be ischemic, from a clot blocking a brain vessel, or hemorrhagic, from bleeding into brain tissue; in either case, the result is neurological dysfunction. The other statements describe problems not about the brain: a disruption of blood flow to the heart is a heart attack, an infection of the brain is not stroke, and a blockage in the pulmonary vessels is a pulmonary embolism. So the best description is the disruption of blood flow to a part of the brain causing potential brain tissue damage.

Stroke is an acute event where blood flow to a part of the brain is suddenly interrupted, depriving brain tissue of oxygen and nutrients. This disruption can cause brain cells to die, leading to potential permanent damage depending on how long the blood supply is blocked and which area is affected. Strokes can be ischemic, from a clot blocking a brain vessel, or hemorrhagic, from bleeding into brain tissue; in either case, the result is neurological dysfunction. The other statements describe problems not about the brain: a disruption of blood flow to the heart is a heart attack, an infection of the brain is not stroke, and a blockage in the pulmonary vessels is a pulmonary embolism. So the best description is the disruption of blood flow to a part of the brain causing potential brain tissue damage.