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Homeostasis is the maintenance of a stable internal environment (A-level only)

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Question 5
1.

Name the region of the brain containing osmoreceptors that detect changes in blood water potential.

[1]
2.

MDMA (ecstasy) stimulates the secretion of excess ADH into the blood. Suggest two physiological changes or signs that may result from this increase in ADH.

[2]
3.

Describe the cellular mechanism by which ADH increases the reabsorption of water in the collecting ducts of the kidneys.

[3]

Homeostasis is the maintenance of a stable internal environment (A-level only) Questions

  1. A Level
  2. /Biology
  3. /Homeostasis is the maintenance of a stable internal environment (A-level only)