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7.4 Blood glucose and the urinary system

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Question 36

During a 60-minute kidney function investigation, the volume of filtrate formed by each kidney is measured.

KidneyVolume of filtrate formed in 60 minutes (dm³)
Left4.7
Right4.5

Measurements show that 98.5% of the water in this filtrate is reabsorbed. Assume that the difference between the total filtrate volume and the urine volume is due only to water reabsorption.

Calculate the total volume of urine produced during the investigation.

[3]
Markscheme

7.4 Blood glucose and the urinary system Questions

  1. GCSE
  2. /Biology
  3. /7.4 Blood glucose and the urinary system

94 exam-style questions on Edexcel GCSE Biology 7.4 Blood glucose and the urinary system, covering 7.4.1 Insulin and blood glucose control, 7.4.2 Glucagon and blood glucose regulation, 7.4.3 Type 1 and type 2 diabetes, 7.4.4 Structure of the urinary system, 7.4.5 Structure and function of the nephron, 7.4.6 ADH and water regulation, 7.4.7 Treatments for kidney failure, and 7.4.8 Production of urea in the liver. Each one has a worked solution and a mark scheme showing where the marks go.

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