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7.4 Blood glucose and the urinary system

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Question 11

A veterinary scientist investigates kidney function in a healthy sheep. In one day, 125 dm3 of water enters the nephrons in the filtrate and 120 dm3 of this water returns to the blood.

What percentage of the filtered water remains in the nephrons to form urine?

[1]
A

4.00%

B

4.17%

C

5.00%

D

96.00%

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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