u14a04 Enzymes and Other Digestive Secretions
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1. Starch digestion begins in the mouth when _?_ is ducted in by the salivary glands. *
1 point
2. Gastrin, which prods the stomach glands to produce more enzymes and HCl, represents a _?_. *
1 point
3. The fact that the mere thought of a relished food can make your mouth water is an example of _?_. *
1 point
4. Many people chew gum to increase saliva formation when their mouths are dry. This type of stimulus is a _?_. *
1 point
5. Protein foods are largely acted on in the stomach by _?_. *
1 point
6. For the stomach protein-digesting enzymes to become active, _?_ is needed. *
1 point
7. Considering living cells of the stomach (and everywhere) are largely protein, it is amazing that they are not digested by the activity of stomach enzymes. The most important means of stomach protection is the _?_ it produces. *
1 point
8. A milk protein-digesting enzyme found in children but uncommon in adults is _?_. *
1 point
9. The third layer of smooth muscle found in the stomach wall allows mixing and mechanical breakdown by _?_. *
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10. Important intestinal enzymes are the _?_. *
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11. The small intestine is protected from the corrosive action of hydrochloric acid in chyme by _?_, which is ducted in by the pancreas. *
1 point
12. The pancreas produces protein-digesting enzymes, amylase, and nucleases. It is the only important source of _?_. *
1 point
13. A nonenzyme substance that causes fat to be dispersed into smaller globules is _?_. *
1 point
14. The first nutrient to be chemically digested is: *
1 point
15. Protein digestion begins in the: *
1 point
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