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Questions and Answers
What is the primary function of saliva in the mouth during digestion?
What is the primary function of saliva in the mouth during digestion?
- To neutralize the acidic environment of the stomach
- To provide lubrication for swallowing
- To break down proteins into smaller molecules
- To help convert food into an aqueous slurry (correct)
What maintains the low pH in the stomach?
What maintains the low pH in the stomach?
- Digestive enzymes
- Bicarbonate ions
- ATP-dependent proton pump (correct)
- Saliva production
What happens to proteins in the stomach due to the low pH environment?
What happens to proteins in the stomach due to the low pH environment?
- Proteins are converted into lipids
- Proteins are neutralized by the acidic environment
- Proteins are broken down into amino acids
- Proteins are denatured by the low pH (correct)
Why is it important for food to be homogenized in the mouth?
Why is it important for food to be homogenized in the mouth?
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What is the initial step of protein degradation in the stomach?
What is the initial step of protein degradation in the stomach?
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What stimulates the pancreas to release digestive enzymes into the intestine?
What stimulates the pancreas to release digestive enzymes into the intestine?
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What is the role of the gall bladder in digestion?
What is the role of the gall bladder in digestion?
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What neutralizes the pH of the food as it leaves the stomach?
What neutralizes the pH of the food as it leaves the stomach?
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