10 Jun Food is squeezed through the digestive system
Question
1. Food is squeezed through the digestive system by a process called
a. mucous c. peristalsis
b. contractile d. none of these peristalsis
2. The following digestive molecule acts on specific foods at a specific pH.
a. mucus c. alkaline
b. HCl d. enzymes
3. The gastroesophageal sphincter muscle
a. regulates entry of food into the stomach c. both of these
b. may malfunction and cause heartburn d. neither of these
4. The following is produced in the gall bladder/liver and aids in digestion and absorption of lipids
a. bile c. pepsin
b. gastrin d. none of these
5. Most of the molecular nutrients are absorbed into the blood while in the
a. large intestines c. stomach
b. small intestines d. liver
6. Blood sugar levels are decreased by _________ which is produced in the pancreas.
a. insulin c. glucagon
b. glycogen d. none of these
7. Extra carbohydrates are stored in the body in the form of
a. glycogen c. starch
b. glucagon d. insulin
8. The fundus is the storage region of the stomach. T/F
9. The stomach wall is not digested due to
a. mucus lining c. HCl
b. bicarbonate from the pancreas d. none of these
10. Carbohydrates are composed of the following
a. carbon c. oxygen
b. hydrogen d. all of these
11. The form of carbohydrates that circulates in the blood is
a. glucose c. lactose
b. sucrose d. glycogen
12. The following carbohydrate helps maintain a healthy digestive tract
a. simple sugars c. fiber
b. starches d. none of these
13. The carbohydrate found in milk is
a. maltose c. sucrose
b. lactose d. fructose
14. Disaccharide’s
a. are made of one sugar molecule c. are found in cheese
b. all contain glucose d. all of these
15. Carbohydrates may be stored in the
a. liver c. fat cells
b. muscle tissue d. all of these
16. Table sugar is composed of
a. glucose – glucose c. glucose – galactose
b. glucose – fructose d. none of these
17. The chemical digestion of starch begins in the mouth. T/F
18. Carbohydrates supply ______ kcal of energy per gram.
a. 2 c. 7
b. 4 d. 9
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