Anticipation to a meal
8 important questions on Anticipation to a meal
True of false? Once the food bolus comes into the duodenum, the gall bladder and pancreas relaxe to release enzymes via the sphincter of Oddi, which contracts to release the enzymes.
Explain what happens in the stomach in the cephalic phase for the digestion of protein
What does saliva consist of and what are the functions of these substances?
- Muccins -> lubrication
- Amylase -> digestion of starch
- Lipase -> digestion of fat
- Lysozome -> antibacterial
- IgA -> immune protection
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Which three parts does the stomach have and what is their function?
- (LES and) Cardia -> prevention of reflux, entry of food and regulation of belching.
- Body and Fundus -> reservoir and tonic force during emptying
- Antrum and Pylorus -> mixing, grinding, sieving and regulation of emptying.
Pepsin is an endopeptidase. What is an endopeptidase and what is an exopeptidase?
What is the only way in the regulation of gastric secretion to inhibit gastric acid secretion and how does it work?
The start of digestion in the intestines is the digestive phase. Particles smaller than 2mm enter the small intestine. This is energy-driven. What does this mean?
Why does the duodenal content initiate signals that delay gastric emptying?
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