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5.3 Hormonal coordination in humans

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Question 13
H

A person's blood becomes more concentrated after several hours without drinking. Which change is expected?

[1]
A

Less ADH is released, kidney tubules become more permeable and urine becomes concentrated.

B

More ADH is released, kidney tubules become less permeable and urine becomes dilute.

C

Less ADH is released, kidney tubules become less permeable and urine becomes concentrated.

D

More ADH is released, kidney tubules become more permeable and urine becomes concentrated.

Markscheme

5.3 Hormonal coordination in humans Questions

  1. GCSE
  2. /Biology
  3. /5.3 Hormonal coordination in humans

39 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.

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