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GCSE Combined Science · key term
A small supporting tube inserted into an artery to hold it open and improve blood flow.
Used by AQA and Edexcel
Specification 4.2.2.4 · Paper 1
Revise: Coronary heart diseaseA stent is a small supporting tube placed inside a narrowed coronary artery. During insertion, a small balloon is inflated to expand the stent against the artery wall. The balloon is then removed, leaving the stent in place to hold the artery open.
Paper 1, Paper 2
A small mesh tube placed inside an artery to hold it open and improve blood flow.
Revise: Non-Communicable Diseases: Risk Factors and TreatmentsA stent is expanded inside a narrowed coronary artery using a small balloon. The balloon is removed, leaving the stent holding the artery open. This improves blood flow and can reduce heart attack risk.
Distinguish the treatments: stents hold arteries open; statins lower blood cholesterol and slow further fatty deposition.
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