plumiKidney failure and medical diagnosis: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 5.1.2.4 Kidney failure and medical diagnosis, 2016–2025, with mark schemes and examiner’s reports where available.
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Q18(a)(i)
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All 12 questions on Kidney failure and medical diagnosis, as a list
- June 2024, Paper 1, Q18(a)(i) (1 mark): State one other type of drug on the list of banned substances that can be detected in urine samples. [1]
- June 2024, Paper 1, Q18(a)(iii) (1 mark): Furosemide is a banned substance because it can be used as a masking agent, to hide the use of performance enhancing drugs. Suggest how furosemide could act as
- June 2024, Paper 1, Q18(b)(i) (1 mark): Bladder cancer can be diagnosed by surgical removal of a small piece of bladder tissue (a biopsy sample). State one advantage of urine analysis over a biopsy sa
- June 2024, Paper 1, Q18(b)(ii) (1 mark): Give one other application of urine analysis in diagnosis. State the substance measured and the corresponding medical condition. Substance Medical condition [1]
- June 2023, Paper 1, Q16(d) (4 marks): Changes to kidney function during pregnancy can be confused with some diseases, such as chronic kidney disease or kidney failure. The estimated glomerular filtr
- November 2021, Paper 1, Q9 (1 mark): The figure shows the results of three pregnancy tests using test strips with mobile and fixed (immobilised) monoclonal antibodies that bind to human chorionic g
- June 2019, Paper 1, Q19(c)(i) (3 marks): Calculate the change in the number of samples testing positive for testosterone between 1988 and 1991. number of samples = [3]
- June 2019, Paper 1, Q19(c)(ii) (6 marks): Resistance training with weights can increase muscle mass in the body. It can also lead to vascularisation, where blood vessels become more visible through the
- June 2018, Paper 3, Q6(b)(i) (4 marks): Suggest two characteristics of a patient that must be taken into account when using this GFR measurement to diagnose kidney damage. Explain why each characteris
- June 2018, Paper 3, Q6(b)(ii) (1 mark): If kidney damage is suspected, the patient’s urine is likely to be tested for the protein albumin. Explain why the presence of albumin in the urine indicates ki
- June 2017, Paper 1, Q6 (1 mark): Patients with kidney failure can be treated in different ways. Which of the following statements describes a feature of peritoneal dialysis? 1 Urea and mineral
- June 2017, Paper 1, Q9 (1 mark): The hormone hCG can be detected in urine using pregnancy tests. Which of the following properties of the hormone hCG allows it to be detected in urine? A hCG is
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