Principles of Homeostasis

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  • Created by: Amy
  • Created on: 16-03-17 10:58

1. The internal environment is the fluid that surrounds cells and it comprises:

  • Blood and tissue fluid
  • Intracellular fluid and tissue fluid
  • Blood plasma and tissue fluid
  • Interstitial fluid and tissue fluid
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2. What do baroreceptors detect?

  • Hypertension
  • Changes in blood pressure
  • Changes in pH
  • Changes in body temperature

3. In glucose homeostasis, the receptors in the negative feedback loop are found in the:

  • Adipose tissue
  • Endocrine cells in the islets of Langerhans
  • Liver
  • Skeletal muscle

4. Homeostasis is:

  • A tendency towards a relatively unstable equilibrium
  • Maintaining a stable internal environment
  • Maintaining a stable external environment
  • The unwavering control of a physiological set point

5. Eating a meal containing carbohydrates will cause:

  • Increased insulin secretion to raise blood glucose levels
  • Increased glucagon secretion to lower blood glucose levels
  • Increased insulin secretion to lower blood glucose levels
  • Decreased insulin secretion to raise blood glucose levels
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