Chapter 21 Part A Flashcards
(41 cards)
1.What is the site of mastication and swallowing?
- oral cavity
4.What structure connects the mouth with the stomach?
- esophagus
12.What insulin-producing organ also produces digestive enzymes?
12.Pancrease
45.How much lipid digestion occurs in the stomach?
- 10%
8.What is/are the function(s) of the rugae?
8.folds of lining allow expansion
17.The movement of food through the intestines using wave-like contractions is called;
- Parastalsis
5.What part of the stomach is the main portion, found in the middle?
5.Body
40.The epiglottis moves downward to cover the glottis when swallowing T/F
40.F
31.What stage of digestion occurs even when there is no food around you?
31.Sphalic
23.Proteins are composed of chains of;
- Amino acid
43.What are the two main functions of the stomach?
- Storage and sterilization of food prior to digestion
29.What 3 enzymes break down fats?
- Lipases , colipases and phospholipases
32.What sense causes the greatest amount of salivation?
- Smell
18.The mixing movements of the small intestine are called;
- Segmentation
35.One of the main functions of saliva is to moisten and lubricate food for swallowing T/F
35.T
24.Whole proteins can be absorbed by the small intestine t/f
- T
2.What structures produce saliva?
2.salivary gland
25.What two types of enzymes break down proteins?
- Endopeptidases , exopeptidases
20.What two components of our diet could be classified as complex carbohydrates?
- Fiber and starch
10.Most digestion of food molecules occurs in the;
10.jejunum
27.What word means that a material will not mix well with water?
- Hydrophobic
26.Fats are composed of what two molecules?
- Fatty acid and glycerol
47.What two chemicals act together to protect the stomach lining from the acid and digestive enzymes?
- Bicarbonate buffer under mucus
13.What organ produces bile
13.liver
