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Small Intestine

Small Intestine

body where each of the following aspects of lipid digestion occurs.

a. Interaction with bile occurs.

Small Intestine

body where each of the following aspects of lipid digestion occurs.

b. Monoacylglycerols are produced.

Stomach

body where each of the following aspects of lipid digestion occurs.

c. Chyme is produced.

Stomach

body where each of the following aspects of lipid digestion occurs.

d. Gastric lipases are active.

b. It occurs to a small extent (10%) in the stomach.

1. Which of the following statements about digestion of dietary triacylglycerols in adults is correct?

a. It begins in the mouth.
b. It occurs to a small extent (10%) in the stomach.
c. It occurs only in the small intestine.
d. no correct response

b. stomach

2. The semi-liquid material chyme is formed in the

a. mouth
b. stomach
c. small intestine
d. no correct response

c. act as an emulsifier

3. The major function of bile released during triacylglycerol digestion is to

a. facilitate the formation of chyme
b. act as an enzyme
c. act as an emulsifier
d. no correct response

b. monoacylglycerols

4. The two major products of triacylglycerol digestion in the small intestine are fatty acids and

a. glycerol
b. monoacylglycerols
c. acetyl CoA
d. no correct response

a. chylomicrons

5. Lipoproteins that transport triacylglycerols from intestinal cells to the bloodstream are called

a. chylomicrons
b. fatty acid micelles
c. chymes
d. no correct response

b. cAMP

1. Hormone-sensitive lipase needed for triacylglycerol mobilization is activated by

a. epinephrine
b. cAMP
c. adipocytes
d. no correct response

a. hydrolysis

2. In triacylglycerol mobilization, triacylglycerol molecules undergo

a. hydrolysis
b. oxidation
c. phosphorylation
d. no correct response

c. ATP

3. Which of the following is not a product of triacylglycerol mobilization?

a. fatty acids
b. glycerol
c. ATP
d. no correct respons

b. dihydroxyacetone phosphate

1. The first stage of glycerol metabolism is a two-step process in which glycerol is converted to

a. glycerol 3-phosphate
b. dihydroxyacetone phosphate
c. pyruvate
d. no correct response

b. glycerol 3-phosphate

2. What is the intermediate compound in the two-step first stage of glycerol metabolism?

a. glycerol 2-phosphate
b. glycerol 3-phosphate
c. dihydroxyacetone phosphate
d. no correct response

a. glucose pathways

3. After the first stage of glycerol metabolism, the remaining stages are the same as

a. glucose pathways
b. glycogen pathways
c. fatty acid pathways
d. no correct response