Summer 2026 Predicted
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1 The diagram shows narrowing of coronary artery and plaque rupture.
(a) Suggest why a blockage in the left coronary artery is more likely to be fatal
than a blockage further along the artery.
(2)
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(b) Explain how atherosclerosis contributes to raised blood pressure.
(2)
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(c) The diagram shows the process of blood clotting inside a damaged artery.
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(i) Name the protein released by platelets and damaged tissue that triggers
the clotting cascade.
(1)
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for more papers: tyrionpapers.com
Turn over
for more papers: tyrionpapers.com
,DO NOT WRITE IN THIS AREA
1 The diagram shows narrowing of coronary artery and plaque rupture.
(a) Suggest why a blockage in the left coronary artery is more likely to be fatal
than a blockage further along the artery.
(2)
……………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………
DO NOT WRITE IN THIS AREA
……………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………
for more papers: tyrionpapers.com
, DO NOT WRITE IN THIS AREA
(b) Explain how atherosclerosis contributes to raised blood pressure.
(2)
……………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………
(c) The diagram shows the process of blood clotting inside a damaged artery.
DO NOT WRITE IN THIS AREA
(i) Name the protein released by platelets and damaged tissue that triggers
the clotting cascade.
(1)
……………………………………………………………………………………………………………………………………
for more papers: tyrionpapers.com