Neural Mechanisms of Controlling Eating behaviour

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

  • 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
  • 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 deficiency in leptin
  • It stimulates the hypothalamus decreasing appetite
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Other questions in this quiz

2. What did Yang et al. find?

  • When Neuropeptide Y is injected into the hypothalmus of rats it causes overeating
  • 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
  • When additional neuropeptide Y was injected into rat's hypothalamus it led to obesity
  • when rats were injected with leptin they lost weight

3. Issue with non-human research research being generalised to human research?

  • Obese women had normal levels or high levels of leptin suggesting leptin has different roles in different animals' bodies
  • It's too expensive
  • It's too simplistic

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 high levels of blood sugar causing feelings of satiety (fullness) 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

5. Which study found that when rats were injected with leptin they lost weight?

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

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