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Questions and Answers
What is the main function of bile in chemical digestion?
What is the main function of bile in chemical digestion?
- Promote the breakdown of fats in the small intestine
- Neutralize the acidic food and gastric juices (correct)
- Increase the acidity in the duodenum
- Enhance the enzyme action in the stomach
Where does absorption of most nutrients occur?
Where does absorption of most nutrients occur?
- Esophagus
- Small intestine (correct)
- Large intestine
- Stomach
What is the role of capillaries associated with villi in the small intestine?
What is the role of capillaries associated with villi in the small intestine?
- Transport nutrients in the lymph
- Carry glucose and amino acids in the blood (correct)
- Increase surface area for absorption
- Absorb fatty acids and glycerol
Why is the ileum particularly adapted for absorption?
Why is the ileum particularly adapted for absorption?
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What do lacteals do in the small intestine?
What do lacteals do in the small intestine?
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What is the role of chemical digestion?
What is the role of chemical digestion?
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Where does the enzyme amylase act?
Where does the enzyme amylase act?
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Which enzyme breaks down protein in the stomach?
Which enzyme breaks down protein in the stomach?
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What is the main function of hydrochloric acid in gastric juice?
What is the main function of hydrochloric acid in gastric juice?
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Where is lipase secreted from and where does it act?
Where is lipase secreted from and where does it act?
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Which enzyme plays a role in both physical and chemical digestion?
Which enzyme plays a role in both physical and chemical digestion?
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