Podcast
Questions and Answers
Which stimulus is an inhibitor for the release of Gastrin?
Which stimulus is an inhibitor for the release of Gastrin?
Which hormone is released in response to fat as a physiologic stimulus?
Which hormone is released in response to fat as a physiologic stimulus?
Which carbohydrate stimulus has no effect on the release of Secretin?
Which carbohydrate stimulus has no effect on the release of Secretin?
What is the stimulation response of Motilin to acid?
What is the stimulation response of Motilin to acid?
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Which of the following stimuli does NOT affect the release of CCK?
Which of the following stimuli does NOT affect the release of CCK?
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Study Notes
Hormones Release Stimuli Overview
- Gastrin is stimulated by the presence of protein and distention of the stomach, while it is inhibited by acid.
- Cholecystokinin (CCK) is released primarily in response to fat and protein, serving a notable role in digestion.
- Secretin is significantly stimulated by both acid and fat, and less so by protein and carbohydrate.
- Glucose-dependent insulinotropic peptide (GLIP) is mainly stimulated by carbohydrates and proteins, with a less significant response to acid and fat.
- Motilin is more responsive to fat and the activity of the nervous system, showing secondary responses to protein, while being less influenced by carbs and acid.
Hormone Response Summary
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Gastrin:
- Stimuli: Protein, distention
- Inhibited by: Acid
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CCK:
- Stimuli: Fat, protein
- Not affected by: Carbohydrates or nerve signals
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Secretin:
- Stimuli: Acid, fat
- Minor influence from: Protein, carbohydrate
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GLIP:
- Key stimulus: Carbohydrate
- Sensitive to: Protein
- Less responsive to: Acid and fat
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Motilin:
- Responds to: Fat and nerve activity
- Minor response to: Protein, secondary influence from acid and carbohydrates
Importance of Hormonal Interplay
- Understanding hormone release stimuli helps in grasping digestive processes and can influence therapeutic approaches in gastrointestinal disorders.
- This interplay demonstrates the body's complex regulatory mechanisms for digestion, highlighting essential nutrients (proteins, fats, carbohydrates) and physiological responses (distention, acid).
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Description
Explore the various stimuli that trigger the release of gastrointestinal hormones such as gastrin, CCK, and secretin. Understand how different nutrients, like proteins, fats, and carbohydrates, influence these hormones, along with factors such as nerve signals and acidity. This quiz is essential for students of human physiology and nutrition.
