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EDEXCEL Biology A (Salters Nuffield) AS level QP 1 SUMMER JUNE 2026 PREDICTED PAPER

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EDEXCEL Biology A (Salters Nuffield) AS level QP 1 SUMMER JUNE 2026 PREDICTED PAPER

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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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