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Stack #110187
| Question | Answer |
|---|---|
| what factors regulate gastric motility and emptying | In the stomach:volume of chyme, degree of fluidity, Duodenum: presence of fat, acid, hyper tonicity, or distension, Out side the digestive system: emotion and pain |
| what factors increase motilty and emptying of stomach | increased chyme (e&m), increase fluidity (e) and emotions like anger and aggression (m) |
| what factors inhibit further gastric motility and empltying | presence of fat, acid, hypertonicity, or distension in duodenum will prevent more from stomach. Emotions like sadness and fear. Intense pain can inhibit (m&e) |
| Digestion in the stomach | carbs continue in the body by the swallowed amylase, protein digestioon is initiated in the antrum of the stomach where viorous peristaltic contraction mix the food with gastric secretions, converting it into chyme |
| Digestion in the small intestine | pancreatic enzymes continue carbohydrate and protein digestion in teh lumen. Brush border enzymes complete the digestion of carboydrates and protein. Fat digestion is accomplished entirely in the small intestine lumen by pancreatic lipase |
| digestion in the large intestine | no secretion of digestive enzymes or absorption of nutrients takes place int eh colon, all nutrients digestion and absorption having been completed in the small intestine. absorption of some of the remaining salt and water converts things into feces |
| which hormone is release primarily in response to teh presence of protein products in the stomach and it effects are aimed at promoting digestion of protein, moving materials through the digestive tract, and maintaing the integrity of stomach and S Int | Gastrin |
| what hormone is release primarily in response to the presence of acid in the duodenum and its effects are aimed at neutralizing the acid in teh duodenal lumen and in maintaining the integrity of the exocrine pancreas. | Secretin |
| What hormone is release primarily in response to teh presence of fat products in teh duodenum and its effects are aimed at optimizing the conditions for digesting fat and other nutrients and in maintaing the integrity of the exocrine pancrease | Cholecystokinin CCK |
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lainylaina