Summer 2026 Predicted
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1 Atherosclerosis is a condition in which fatty deposits build up inside
arteries, increasing the risk of blood clots and serious cardiovascular disease.
(a) Describe how an atherosclerotic plaque forms in the wall of an artery.
(3)
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(b) Explain how the presence of an atherosclerotic plaque increases
the likelihood of blood clot formation inside an artery.
(3)
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(c) Describe how platelets are involved in the formation of a blood
clot following damage to the artery wall.
(2)
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(d) State two possible health consequences of a blood clot forming in an artery.
(2)
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(Total for Question 1 = 10 marks)
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Turn over
for more papers: tyrionpapers.com
,DO NOT WRITE IN THIS AREA
1 Atherosclerosis is a condition in which fatty deposits build up inside
arteries, increasing the risk of blood clots and serious cardiovascular disease.
(a) Describe how an atherosclerotic plaque forms in the wall of an artery.
(3)
DO NOT WRITE IN THIS AREA
……………………………………………………………………………………………………………………………………
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for more papers: tyrionpapers.com
, DO NOT WRITE IN THIS AREA
(b) Explain how the presence of an atherosclerotic plaque increases
the likelihood of blood clot formation inside an artery.
(3)
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……………………………………………………………………………………………………………………………………
DO NOT WRITE IN THIS AREA
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(c) Describe how platelets are involved in the formation of a blood
clot following damage to the artery wall.
(2)
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……………………………………………………………………………………………………………………………………
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(d) State two possible health consequences of a blood clot forming in an artery.
(2)
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(Total for Question 1 = 10 marks)
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