Lipid Metabolism: Digestion and Absorption

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12 Questions

What is the pH range for lingual lipase?

pH 4-6

What is the function of cholecystokinin (CCK)?

Induce gallbladder contraction and increase bile secretion

Where is the digestion of lipids limited?

Mouth

What is the optimal pH for gastric lipase?

pH 6

What type of fatty acids can be absorbed directly into the blood in the stomach of a child?

Short and medium chain fatty acids

What is the function of secretin?

Increase pancreatic bicarbonate secretion

What type of lipids are digested in the mouth?

Triacylglycerol (TAG) and cholesterol ester

What is the main source of food for a child that contains short chain fatty acids?

Milk

What is the pH range of gastric lipase in a child?

4-6

What is the role of bile secretion in the small intestine?

To neutralize the pH of the small intestine

What is the primary function of pancreatic lipase in the small intestine?

To digest lipids

What is the outcome of the arrival of chyme acid from the stomach in the small intestine?

Release of hormones from intestinal cells

Test your knowledge of lipid metabolism, including the digestion of dietary lipids, absorption, and transportation of lipids. Learn about the role of enzymes and lipases in this process.

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