Neural Mechanisms of Controlling Eating behaviour

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1. Which study found that when additional neuropeptide Y was injected into rat's hypothalamus it led to obesity?

  • Heatherington and Ranson
  • Lutter et al.
  • Stanley et al.
  • Wickens
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Other questions in this quiz

2. Which study found that when the LH was damaged it caused rats to stop eating but when it was stimulated it caused rats to overeat?

  • Heatherington and Ranson
  • Lutter et al.
  • Zhang et al.

3. What is Leptin's role in controlling eating behaviour?

  • It stimulates the hypothalamus decreasing appetite
  • It's produced by fat cells and impulses are sent to the brain about the amount of fat cells present, obese rats have a deficiency in leptin
  • It stimulates the hypothalamus increasing appetite
  • It's produced by fat cells and impulses are sent to the brain about the amount of fat cells present, obese rats have a high levels of leptin

4. Role of Lateral Hypothalamus in controlling eating behaviour

  • Activated by low levels of blood glucose causing feelings of hunger so the individual starts eating
  • Activated by low levels of blood glucose causing feelings of satiety so the individual starts eating
  • Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual stops eating
  • Activated high levels of blood sugar causing feelings of satiety (fullness) so the individual starts eating

5. What did Lutter et al. find?

  • When the LH was damaged it caused rats to stop eating but when it was stimulated it caused rats to overeat
  • The hormone gherlin produced in response to stress also increases appetite
  • Neuropeptide Y is produced by the hypothalamus leading to overeating then when abdominal fat is gained, the fat produces neuropeptide Y leading to more overeating

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