Podcast
Questions and Answers
Which enzyme initiates the breakdown of lipids in the mouth?
Which enzyme initiates the breakdown of lipids in the mouth?
- Nonspecific esterase
- Phospholipase A2
- Pancreatic lipase
- Lingual lipase (correct)
What is the primary role of bile salts in lipid digestion?
What is the primary role of bile salts in lipid digestion?
- Convert triglycerides into free fatty acids
- Emulsify fats to increase surface area (correct)
- Facilitate the absorption of vitamins
- Break down cholesterol directly
In which part of the digestive system does the majority of lipid digestion occur?
In which part of the digestive system does the majority of lipid digestion occur?
- Large intestine
- Stomach
- Mouth
- Small intestine (correct)
Which of the following is NOT a product of lipid digestion?
Which of the following is NOT a product of lipid digestion?
Which enzyme is involved in the further breakdown of lipids in the small intestine?
Which enzyme is involved in the further breakdown of lipids in the small intestine?
Flashcards
Lipid Digestion Enzymes
Lipid Digestion Enzymes
Enzymes break down dietary fats into smaller molecules.
Bile Salts Role
Bile Salts Role
Bile salts increase fat surface area for enzyme action.
Pancreatic Lipases
Pancreatic Lipases
Lipases break down fats in the small intestine.
Lipid Digestion Products
Lipid Digestion Products
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Lipid Types
Lipid Types
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Study Notes
Lipids Digestion
- Lipids are digested through a multi-step process involving several enzymes.
- Lingual and gastric lipases initiate lipid breakdown in the mouth and stomach.
- Bile salts emulsify lipids, aiding in their digestion by pancreatic lipase.
- Pancreatic lipase, nonspecific esterases, and phospholipase A2 further break down lipids in the small intestine.
- These enzymes break down dietary lipids (triglycerides, phospholipids, and cholesterol esters) into smaller components. These smaller components are absorbed by the body.
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