Which gland is stimulated by the brain to release the hormone responsible for regulating water balance in the human body?
Select one option:
Which hormone is transported in the blood to increase the permeability of the kidney tubules to water?
Select one option:
A hiker gets lost in an arid desert and experiences severe dehydration due to a lack of drinking water.
Explain how the pituitary gland and the kidneys respond to this low water potential to prevent further water loss from the body.
A patient with chronic kidney disease (CKD) is discussing treatment options with a renal specialist. The specialist recommends a kidney transplant over long-term hemodialysis.
Explain two biological advantages of receiving a successful kidney transplant compared to undergoing regular hemodialysis.
Do not refer to financial cost, patient travel, lifestyle convenience, or free time in your answer.
62 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.