plumiTreatments for CVD: Edexcel International A Level Biology questions
Edexcel International A Level Biology past-paper questions on 1.4.5 Treatments for CVD, 2019–2025, with mark schemes and examiner’s reports where available.
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Q1(b)
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All 28 questions on Treatments for CVD, as a list
- June 2025, AS Unit 1, Q1(b) (1 mark): Which pair of drugs is used to treat patients who have short blood clotting times? (1) A anticoagulants and antihypertensives B anticoagulants and platelet inhi
- January 2025, AS Unit 1, Q6(b)(i) (1 mark): Statins can cause side effects. Give two side effects of taking statins. (1) 1 2
- January 2025, AS Unit 1, Q6(c)(ii) (2 marks): The disorder can be caused by a mutation in the gene that codes for LDL receptors. Suggest why statins are less effective in treating people who are homozygous
- October 2024, AS Unit 1, Q5(a) (2 marks): Explain why a safe but effective dose of warfarin needs to be given to a patient. (2)
- October 2024, AS Unit 1, Q5(b)(ii) (6 marks): Pharmacogenomics analyses the genetic profile of individuals. This analysis is used to determine the appropriate doses of a drug for individual patients. Discus
- June 2024, AS Unit 1, Q7(a) (2 marks): The graph shows the production of monacolin K during the fermentation of rice by yeast. 400 Concentration of monacolin K 300 / mg per 100 g of rice 200 100 0 0
- June 2024, AS Unit 1, Q7(b) (6 marks): Scientists have studied the effects of RYR on lipid levels. The table shows the results of four studies on the effects of eating RYR on lipid levels. Percentage
- June 2024, AS Unit 1, Q7(c)(i) (1 mark): Name two possible side effects of being treated with statins. (1) 1 2
- June 2023, AS Unit 1, Q5(b) (1 mark): Give one risk of treating patients with anticoagulants. (1)
- June 2023, AS Unit 1, Q5(c)(iv) (2 marks): The effect of variegin on the mass of blood clots forming inside a stent was investigated. The masses were compared with another anticoagulant, drug H. The grap
- October 2022, AS Unit 1, Q6(b) (3 marks): The graph shows the relationship between the INR level and the risk of stroke and the risk of bleeding within the skull. risk of bleeding Risk within the skull
- October 2022, AS Unit 1, Q6(c) (3 marks): Explain how taking this anticoagulant can reduce the risk of cardiovascular disease (CVD). (3)
- October 2022, AS Unit 1, Q6(d)(i) (1 mark): A group of 1216 were given warfarin; 83.3% of these people had no further health issues. Calculate the number of people given warfarin who had no further health
- June 2022, AS Unit 1, Q6(b)(iii) (1 mark): Which pair of drugs may reduce the 10-year risk of CVD for this woman? (1) A anticoagulants and statins B anticoagulants and antihypertensives C antihypertensiv
- January 2022, AS Unit 1, Q7(a)(ii) (2 marks): Explain why a person might have to take several types of drugs to reduce the risk of CVD. (2)
- October 2021, AS Unit 1, Q2(a)(i) (3 marks): Read through the following passage about warfarin. Write on the dotted lines the most appropriate word or words to complete the passage. (3) Warfarin is used to
- October 2021, AS Unit 1, Q2(a)(ii) (1 mark): Which type of drug is warfarin? (1) A an anticoagulant B an antihypertensive C a platelet inhibitor D a statin
- October 2021, AS Unit 1, Q2(b) (2 marks): The time taken for a blood sample to form a blood clot can be measured. This is called the clotting time. The graph shows the blood clotting time after a patien
- June 2021, AS Unit 1, Q3(a) (3 marks): The diagram shows how stents are positioned in a diseased coronary artery. plaque stent balloon An uninflated balloon and narrow stent are inserted into the dis
- June 2021, AS Unit 1, Q3(b)(i) (2 marks): In this study, 800 patients had stent A inserted and 400 patients had stent B inserted. Calculate the difference in the number of patients who developed stent t
- June 2021, AS Unit 1, Q3(b)(v) (1 mark): Stent B contains a drug to prevent stent thrombosis. Suggest one type of drug that could be used in stent B. (1)
- October 2020, AS Unit 1, Q7(b) (1 mark): Which type of treatment is warfarin? (1) A anticoagulant B antihypertensive C platelet inhibitor D statin
- October 2020, AS Unit 1, Q7(c)(i) (2 marks): The diagrams show the structures of warfarin and vitamin K. O OH O O Warfarin O O Vitamin K Using the information in the diagrams, suggest why warfarin inhibits
- October 2020, AS Unit 1, Q7(c)(ii) (2 marks): Suggest why people taking warfarin have to avoid eating foods that contain a high concentration of vitamin K. (2)
- June 2019, AS Unit 1, Q2(b)(i) (2 marks): One anticoagulant binds to the active site of thrombin. Explain how this drug reduces blood clotting. (2)
- June 2019, AS Unit 1, Q2(b)(ii) (2 marks): Molecules on the surface of platelets enable them to bind to other molecules. One of the antiplatelet drugs affects molecules on the surface of platelets. Expla
- June 2019, AS Unit 1, Q2(b)(iii) (2 marks): One thrombolytic drug converts plasminogen into the active enzyme, plasmin. Plasmin breaks down fibrin. Explain how this drug reduces the formation of blood clo
- January 2019, AS Unit 1, Q2(a) (1 mark): Which of the following is a medication to control blood pressure? (1) A anticoagulant B antihypertensive C platelet inhibitor D statin
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