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Questions and Answers
What stimulates centers in the cerebral cortex, hypothalamus, and brain stem during the cephalic phase of digestion?
What stimulates centers in the cerebral cortex, hypothalamus, and brain stem during the cephalic phase of digestion?
- Chemoreceptors monitoring chyme pH
- Stretch receptors in the stomach
- Increased motility in the stomach
- Anticipation of food (correct)
What is responsible for making long chain fatty acids and monoglycerides more water-soluble?
What is responsible for making long chain fatty acids and monoglycerides more water-soluble?
- Bile salts (correct)
- Cholecystokinin
- Secretin
- Lacteals
How are short chain fatty acids able to pass through absorptive cells into the capillary of a villus?
How are short chain fatty acids able to pass through absorptive cells into the capillary of a villus?
- Aggregating with phospholipids
- By forming micelles
- Via exocytosis
- Via simple diffusion (correct)
What enhances the effects of each other in regulating gastric juice secretion and motility?
What enhances the effects of each other in regulating gastric juice secretion and motility?
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How do lipids get transported from the interior of the lumen to the brush border of absorptive cells for absorption?
How do lipids get transported from the interior of the lumen to the brush border of absorptive cells for absorption?
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What happens to fatty acids and monoglycerides once they are in absorptive cells?
What happens to fatty acids and monoglycerides once they are in absorptive cells?
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