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Author Question: Describe the role of the stomach and ghrelin in food intake and compare its importance in producing ... (Read 59 times)

audragclark

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on: Jun 22, 2018
Describe the role of the stomach and ghrelin in food intake and compare its importance in producing hunger and satiety.
 
  What will be an ideal response?

Question 2

Describe the significance of cholecystokinin (CCK) for the regulation of eating.
 
  What will be an ideal response?


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prumorgan

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: The stomach does play a role in satiety in that nutrient sensors are located within the stomach and that removal of a meal from the stomach during a period of satiety will result in the animal consuming sufficient food to replace the withdrawn food.

Answer to Question 2

Answer: CCK is released into blood upon the entry of fats into the duodenum. CCK is thus in a position to provide a satiety cue to the brain. Injection of CCK reduces eating in the short-term. Obesity is noted in rats for which a genetic mutation impairs the production of CCK receptors.


audragclark

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Reply 2 on: Jun 22, 2018
Great answer, keep it coming :)

kilada

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Reply 3 on: Yesterday
Excellent

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