A-Level BiologyYear 2022Q6
20 6 The diagram shows a nephron. W X Y Z (a) Which labelled parts of this nephron would normally contain glucose? (1) A W only B W and X C W, X, and Y D W, X, Y, and Z (b) Oedema is an accumulation of tissue fluid. This is due to less tissue fluid being returned to the blood capillaries. (i) Explain how tissue fluid is returned to capillaries. 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Turn over 21 (ii) Furosemides are drugs that are used to reduce oedema. They are diuretics that increase urine production. Furosemides reduce the active transport of sodium ions by the loop of Henle. Explain how furosemides cause an increase in urine production. 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(Total for Question 6 = 8 marks)
Paper Source:9bi0-02-que-20220618.pdf
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Exam Specification Info
This question is part of the UK A-Level Biology syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectBiology
Official MarksVariable (2–6 marks)