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Questions and Answers
What is the main trigger for the secretion of cholecystokinin (CCK)?
What is the main trigger for the secretion of cholecystokinin (CCK)?
- Carbohydrates in the intestinal contents
- Proteins in the intestinal contents
- Fats, fatty acids, and monoglycerides in the intestinal contents (correct)
- Water in the intestinal contents
What is the function of CCK in the digestive system?
What is the function of CCK in the digestive system?
- It inhibits the secretion of bile
- It speeds up the emptying of food from the stomach
- It contracts the gallbladder and expels bile into the small intestine (correct)
- It stimulates stomach contraction
How does CCK affect the digestion of fats in the upper intestinal tract?
How does CCK affect the digestion of fats in the upper intestinal tract?
- It has no effect on the digestion of fats
- It inhibits the absorption of fats
- It slows down the emptying of food from the stomach (correct)
- It stimulates the production of digestive enzymes
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