Chapter 17 Nutrition and Metabolism

Chapter 17: Nutrition and Metabolism


MULTIPLE CHOICE

1. Proper nutrition requires the correct balance of three types of food. They are
a. fruits, vegetables, and meats
b. carbohydrates, dairy products, and proteins
c. carbohydrates, fats, and proteins
d. proteins, whole grains, and fruits
ANS: C DIF: Memorization REF: p. 394
OBJ: 1 TOP: Introduction

2. When food molecules enter the cell and undergo chemical changes there, the process is called
a. assimilation
b. digestion
c. absorption
d. nutrition
ANS: A DIF: Memorization REF: p. 396
OBJ: 1 TOP: Introduction

3. Besides the three basic types of food, good nutrition requires
a. vitamins
b. amino acids
c. minerals
d. both a and c above

ANS: D DIF: Memorization REF: p. 395
OBJ: 1 TOP: Introduction

4. Which process builds up food molecules into more complex molecules?
a. Anabolism
b. Catabolism
c. Nutrition
d. Absorption
ANS: A DIF: Memorization REF: p. 396
OBJ: 1 TOP: Introduction

5. Which process breaks food molecules into smaller molecules to release energy?
a. Anabolism
b. Catabolism
c. Nutrition
d. Absorption
ANS: B DIF: Memorization REF: p. 396
OBJ: 1 TOP: Introduction

6. Metabolism includes
a. anabolism and assimilation
b. catabolism and nutrition

, c. anabolism and catabolism
d. nutrition and assimilation
ANS: C DIF: Memorization REF: p. 396
OBJ: 1 TOP: Introduction

7. Which of the following is not a function of the liver?
a. Produces bile
b. Carries out the first step of carbohydrate metabolism
c. Produces fibrinogen
d. All of the above are functions of the liver
ANS: D DIF: Memorization REF: p. 396
OBJ: 2 TOP: Metabolic function of the liver

8. Which of the following is not a function of the liver?
a. Helps maintain the normal blood glucose concentration
b. Produces albumin
c. Produces vitamin A
d. All of the above are functions of the liver
ANS: C DIF: Memorization REF: p. 396
OBJ: 2 TOP: Metabolic function of the liver

9. Glycolysis
a. follows the citric acid cycle in carbohydrate metabolism
b. requires oxygen
c. occurs in the cytoplasm
d. both b and c above
ANS: C DIF: Memorization REF: p. 397
OBJ: 2 TOP: Carbohydrate metabolism

10. Glycolysis
a. has pyruvic acid as an end product
b. occurs in the mitochondria
c. requires oxygen
d. both a and b above
ANS: A DIF: Memorization REF: p. 397
OBJ: 2 TOP: Carbohydrate metabolism

11. The citric acid cycle
a. occurs in the mitochondria
b. produces pyruvic acid as an end product
c. occurs in the cytoplasm
d. both b and c above
ANS: A DIF: Memorization REF: p. 398
OBJ: 2 TOP: Carbohydrate metabolism

12. The citric acid cycle
a. occurs in the mitochondria

, b. follows glycolysis
c. is important in carbohydrate anabolism
d. both a and b above
ANS: D DIF: Memorization REF: p. 398
OBJ: 2 TOP: Carbohydrate metabolism

13. The electron transport system
a. occurs in the cytoplasm
b. produces carbon dioxide as an end product
c. produces ATP from ADP
d. both a and c above
ANS: C DIF: Memorization REF: p. 398
OBJ: 2 TOP: Carbohydrate metabolism

14. The electron transport system
a. occurs in the mitochondria
b. follows the citric acid cycle
c. follows glycolysis
d. both a and b above
ANS: D DIF: Memorization REF: p. 398
OBJ: 2 TOP: Carbohydrate metabolism

15. ATP
a. serves as the direct source of energy for the cell
b. releases food energy slowly
c. is produced primarily by the citric acid cycle
d. both a and c above
ANS: A DIF: Memorization REF: p. 398
OBJ: 2 TOP: Carbohydrate metabolism

16. Usable energy in the ATP molecule is stored in the
a. adenosine portion of the molecule
b. bond attaching the adenosine to the first phosphate group
c. bond between the second and third phosphate groups
d. both b and c above
ANS: C DIF: Memorization REF: p. 398
OBJ: 2 TOP: Carbohydrate metabolism

17. Glucose anabolism is called
a. glycolysis
b. glycogenesis
c. glucagon
d. both a and b above
ANS: B DIF: Memorization REF: p. 399
OBJ: 2 TOP: Carbohydrate metabolism

18. Besides insulin, which hormone lowers blood glucose levels?