Human Physiology 14th Edition Fox by Fox Dr Stuart Ira – Test Bank

Complete Test Bank With Answers

 

 

Sample Questions Posted Below

 

Chapter 05

Cell Respiration and Metabolism

 

 

True / False Questions
1. Catabolic reactions use energy to synthesize large molecules.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

2. Metabolism is a term that refers to all of the reactions in the body that involve energy transformations.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
3. ______________ reactions require energy to synthesize large molecules from small molecules.
A. Combustion
B. Catabolic
C. Anabolic
D. Decomposition

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

4. Which of the following is NOT a primary catabolic source of energy to produce ATP?
A. fatty acids
B. cholesterol
C. amino acids
D. glucose

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

5. The final electron acceptor in aerobic cell respiration is
A. water.
B. oxygen.
C. carbon dioxide.
D. ATP.

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

6. Anabolic reactions do NOT
A. utilize energy.
B. synthesize molecules within cells.
C. store energy.
D. release energy.

 

Blooms Level: 2. Understand
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
7. In glycolysis, glucose is converted to glycogen.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

8. Phosphorylation of glucose “traps” the glucose within a cell.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

9. Glycolysis is an endergonic reaction.
FALSE

 

Blooms Level: 2. Understand
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
10. Glycolysis converts glucose into two ______________ molecules.
A. glycogen
B. lactic acid
C. acetyl CoA
D. pyruvic acid

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

11. To go through glycolysis, _________ ATP per glucose molecule must be “invested” in order to activate the glucose molecule.
A. one
B. two
C. three
D. four

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

12. How many hydrogens are released in glycolysis?
A. one
B. two
C. three
D. four

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

13.  Each pair of hydrogens generated in glycolysis are used to
A.  reduce 2 molecules of NAD.
B.  oxidize 2 molecules of NAD.
C.  reduce 2 molecules of FAD.
D.  oxidize 2 molecules of FAD. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
14. Glucose 6-phosphate can diffuse out of a cell.
FALSE

 

Blooms Level: 2. Understand
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
15. Glycolysis results in a net gain of two ATP formed by direct _____________ of ADP molecules using phosphates taken from glycolytic intermediates.
A. phosphorylation
B. hydrolysis
C. reduction
D. oxidation

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

16. A net total of ______________ molecules of ATP are produced by glycolysis.
A. 1
B. 2
C. 3
D. 4

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
17. Lactic acid fermentation is also known as aerobic respiration.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
18. ________ muscle is better adapted to anaerobic conditions than cardiac muscle.
A. Smooth
B. Skeletal

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

19. Lactic acid is the result of LDH (lactic acid dehydrogenase) mediated __________ of pyruvic acid with electrons taken from NADH + H⁺.
A. oxidation
B. reduction
C. phosphorylation
D. hydrolysis

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

20. Anaerobic respiration metabolism regenerates the ______________ required for glycolysis.
A. NAD
B. FAD
C. ATP
D. GTP

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

21. ______________ cells normally produce ATP exclusively by anaerobic respiration metabolism.
A. Red blood
B. White blood
C. Skin
D. Nerve

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

22.  ______________ normally produce ATP by aerobic respiration.
A.  Red blood cells
B.  Cardiac muscle cells
C.  Skeletal muscle cells
D.  Skin cells 

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

23. What is the inadequate supply of blood to an organ called?
A. infarction
B. ischemia
C. necrosis
D. cramping

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

24. Anaerobic respiration metabolism is triggered when the ratio of ______________ falls below a critical level.
A. carbon dioxide supply to oxygen need
B. oxygen supply to glucose need
C. glucose supply to glucose need
D. oxygen supply to oxygen need

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

25. To form lactic acid from pyruvic acid it is necessary to have
A. NAD.
B. FAD.
C. NADH.
D. FADH.

 

Blooms Level: 2. Understand
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

26. Which of the following cells relies solely on anaerobic metabolism of glucose?
A. skeletal muscle cells
B. liver cells
C. kidney cells
D. red blood cells

 

Blooms Level: 1. Remember
Learning Outcome: 05.01
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

27.  What percentage of energy released by aerobic respiration of glucose is captured by ATP?
A.  25-30%
B.  30-34%
C.  38-40%
D.  42-46% 

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
28.  Acetyl coenzyme A enables the products of glycolysis to enter the citric acid cycle.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

29. Coenzyme A is derived from the vitamin riboflavin.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

30. In the formation of acetic acid from pyruvic acid, the oxygen in the carbon dioxide comes from oxygen gas.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
31. During the conversion of one pyruvic acid to acetyl coenzyme A, ______________ molecule(s) of carbon dioxide is/are produced.
A. no
B. one
C. two
D. four

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

32. A deficiency of ______________ would limit production of coenzyme A.
A. pantothenic acid
B. linoleic acid
C. folic acid
D. thiamine

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

33. Formation of the maximum number of acetyl CoA molecules from one glucose, produces ______________ molecules of carbon dioxide.
A. no
B. one
C. two
D. four

 

Blooms Level: 2. Understand
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

34.  Aerobic respiration
A.  uses glucose.
B.  generates water.
C.  generates oxygen.
D.  Both uses glucose and generates water. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

35. Acetyl CoA is
A. generated from oxaloacetate.
B. generated from pyruvic acid.
C. generated from citric acid.
D. generated from water.

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
36. In the complete process of aerobic respiration, the major source of reduced NAD and FAD is glycolysis.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

37. The TCA cycle occurs in mitochondria.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

38.  Acetyl CoA and NAD are the end-products of the citric acid cycle.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

39.  The citric acid cycle completes the oxidation of glucose started by glycolysis.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
40.  One glucose would generate ______________ NADH molecules via the citric acid cycle.
A.  two
B.  three
C.  six
D.  eight 

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

41.  Each turn of the citric acid cycle directly produces ______________ molecule(s) of ATP.
A.  one
B.  two
C.  four
D.  no 

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

42.  Each turn of the citric acid cycle produces
A.  2 FADH₂, 1 ATP, and 3 NADH.
B.  1 FADH₂, 1 ATP, and 3 NADH.
C.  3 FADH₂, 2 ATP, and 1 NADH.
D.  1 FADH₂, 3 ATP, and 2 NADH. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

43.  The total amount of FADH₂ produced by one turn of the citric acid cycle is
A.  one molecule.
B.  two molecules.
C.  15 molecules.
D.  30 molecules. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

44.  The importance of the citric acid cycle in energy production is the formation of significant amounts of
A.  ATP.
B.  lactic acid.
C.  NADH.
D.  carbon dioxide. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

45.  The ATP generated in the citric acid cycle
A.  is produced directly from the 5th reaction.
B.  is produced from the reduction of NAD.
C.  comes from GTP.
D.  comes from oxidative phosphorylation. 

 

Blooms Level: 2. Understand
Learning Outcome: 05.02
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
46.  The electron transport chain system is responsible for the production of the majority of cellular ATP.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
47.  Energy lost during the process of aerobic cell respiration is given off as
A.  carbon dioxide.
B.  water.
C.  oxygen.
D.  metabolic heat. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

48.  The final electron acceptor in the electron transport chain system is ____________.
A.  NAD
B.  hydrogen
C.  oxygen
D.  ATP 

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

49.  Which of the following is a superoxide radical?
A.  an oxygen molecule with an extra, unpaired electron
B.  an oxygen molecule with two paired electrons
C.  hydrogen peroxide
D.  All apply 

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
50.  Oxygen is reduced by the action of the electron transport chain.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

51.  The electron transport chain system functions to create a proton gradient across the outer mitochondrial membrane.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

52. Cyanide is lethal because it blocks the oxidation of oxygen in the electron transport chain system.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions

 

53. Which of the following is NOT a molecule of the electron transport system?
A. coenzyme Q
B. coenzyme A
C. flavin mononucleotide (FMN)
D. cytochrome b

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

54. The transport of protons from the intermembrane space to the mitochondrial matrix occurs via
A. ATP synthase.
B. transaminase.
C. lactate dehydrogenase.
D. FADH-coenzyme Q reductase complex.

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

55. What theory explains the ability of the electron transport system to pump protons between the inner and outer mitochondrial membranes?
A. tricarboxylic acid theory
B. chemiosmotic theory
C. phosphorylation theory
D. proton pump theory

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

56. What structures allow H⁺ to diffuse back across the inner mitochondrial membrane to the matrix?
A. cytochromes
B. coenzyme Q
C. respiratory assemblies
D. NADH

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

57. Which of the following is NOT a proton pump of the electron transport system?
A. NADH-coenzyme Q reductase complex
B. FADH-cytochrome c reductase complex
C. cytochrome c reductase complex
D. cytochrome c oxidase complex

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

58.  How many H⁺ do the first two proton pumps of the electron transport system transport?
A.  2 each
B.  3 each
C.  4 each
D.  8 each 

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
59. On average, each FADH₂ generates 1.5 ATP in oxidative phosphorylation.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

60. Theoretically, complete catabolism of glucose generates a maximum of 32 ATP.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

61. It takes four protons to produce 1 ATP that will enter the cytoplasm of a cell.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
62. The electron transport system is a series of _________ reactions.
A. composition-decomposition
B. dehydration synthesis-hydrolysis
C. oxidation-reduction
D. reversible

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

63. The actual yield of ATP from 1 glucose is
A. 18-20 ATP.
B. 36-38 ATP.
C. 30-32 ATP.
D. 26-28 ATP.

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

64.  ATP formation in glycolysis and the citric acid cycle is called
A.  substrate level phosphorylation.
B.  oxidative phosphorylation.
C.  direct phosphorylation.
D.  Both substrate level phosphorylation and direct phosphorylation are correct. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

65. ATP formation in the electron transport system is called
A. substrate level phosphorylation.
B. oxidative phosphorylation.
C. direct phosphorylation.
D. Both substrate level phosphorylation and direct phosphorylation are correct.

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.02
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
66. Skeletal muscle contains glucose 6-phosphatase to produce free glucose from glucose 6-phosphate.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.03
Section: 05.01
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
67. The presence of elevated ATP in the cell stimulates synthesis of
A. proteins and glycogen.
B. triglycerides and proteins.
C. triglycerides and glycogen.
D. proteins and cholesterol.

 

Blooms Level: 2. Understand
Learning Outcome: 05.04
Section: 05.03
Topic: Cell
Topic: Nutrition and Metabolism

68. ______________ is the opposite of glycogenesis.
A. Glycolysis
B. Glyconeogenesis
C. Glycogenolysis
D. Gluconeogenesis

 

Blooms Level: 1. Remember
Learning Outcome: 05.04
Section: 05.03
Topic: Cell
Topic: Nutrition and Metabolism

 

69. Blood glucose concentrations can be maintained by hydrolysis of glycogen in the
A. liver.
B. skeletal muscle.
C. smooth muscle.
D. kidneys.

 

Blooms Level: 1. Remember
Learning Outcome: 05.04
Section: 05.03
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
70. Glucose formed from amino acids comes from the process of glycogenolysis.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.05
Section: 05.03
Topic: Cell
Topic: Nutrition and Metabolism

71. The Cori cycle involves formation of glucose made by gluconeogenesis in the liver from lactic acid produced by fermentation in skeletal muscles.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.05
Section: 05.03
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
72. The Cori cycle converts ______________ to pyruvic acid.
A. glucose
B. acetyl CoA
C. lactic acid
D. alcohol

 

Blooms Level: 1. Remember
Learning Outcome: 05.05
Section: 05.03
Topic: Cell
Topic: Nutrition and Metabolism

73.  Glycolysis would be inhibited by
A.  a lack of oxygen.
B.  an excess of ATP.
C.  an excess of ADP.
D.  None apply. 

 

Blooms Level: 2. Understand
Learning Outcome: 05.05
Section: 05.03
Topic: Cell
Topic: Nutrition and Metabolism

74.  Which of the following can undergo metabolic conversion to acetyl CoA and enter the citric acid cycle?
A.  glucose
B.  fatty acids
C.  protein
D.  All apply. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
75.  The majority of energy within the body is stored as triglycerides.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
76.  The amount of energy contained in fat is
A.  4 kilocalories per gram.
B.  5 kilocalories per gram.
C.  9 kilocalories per gram.
D.  15 kilocalories per gram. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

77.  The process of fat formation from acetyl CoA is called
A.  lipogenesis.
B.  lipolysis.
C.  beta-oxidation.
D.  deamination. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

78.  The hydrolysis of triglycerides to fatty acids and glycerol is called
A.  lipogenesis.
B.  lipolysis.
C.  beta-oxidation.
D.  deamination. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
79. Beta-oxidation produces acetyl CoA molecules from fatty acids.
TRUE

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
80.  Beta-oxidation of an 18 carbon fatty acid will yield _____ acetyl CoA molecules.
A.  9
B.  6
C.  18
D.  None apply. 

 

Blooms Level: 2. Understand
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

81.  How many ATP would be formed from an 18 carbon fatty acid?
A.  32
B.  60
C.  90
D.  122 

 

Blooms Level: 3. Apply
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

82. Fatty acid metabolism
A. occurs via glycolysis.
B. occurs via oxidative deamination.
C. occurs via the Cori cycle.
D. occurs via beta-oxidation.

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

83. In newborns, _________ occurs in brown fat.
A. lipogenesis
B. thermogenesis
C. gluconeogenesis
D. biogenesis

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

84.  What is the function of UCPI?
A.  Allows more white fat to accumulate in adipose tissue.
B.  Reduces the amount of hydrogens available to make ATP.
C.  Provides more body heat from oxidation of fatty acids.
D.  Both reduces the amount of hydrogens available to make ATP and provides more body heat from oxidation of fatty acids. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

85.  What is the purpose of white fat?
A.  thermogenesis
B.  provide blood-borne energy carriers
C.  provide an ATP source for newborns
D.  All apply. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

86.  Sweet smelling breath may be the result of elevated ______________ in the blood.
A.  glucose
B.  fructose
C.  acetone
D.  cholesterol 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

87.  The primary site of ketone body synthesis is
A.  the lung.
B.  the kidney.
C.  the liver.
D.  adipose tissue. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

88.  Acetyl CoA
A.  can enter the citric acid cycle.
B.  can reversibly form ketone bodies.
C.  can directly form pyruvic acid.
D.  Both can enter the citric acid cycle and can reversibly form ketone bodies. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

89.  Ketone bodies are produced by
A.  excessive protein breakdown.
B.  excessive carbohydrate breakdown.
C.  excessive fat breakdown.
D.  All apply. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.06
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
90.  Individuals in a positive nitrogen balance are metabolizing body tissues for energy.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

91.  Proline is an essential amino acid only in children.
FALSE

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

 

Multiple Choice Questions
92.  The process in which an amine group is transferred from one amino acid to another is called
A.  deamination.
B.  beta-oxidation.
C.  phosphorylation.
D.  transamination. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

93.  How many amino acids are essential for an adult?
A.  eight
B.  nine
C.  ten
D.  twelve 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

94.  Keto-acids are produced from amino acids through
A.  transamination.
B.  oxidative deamination.
C.  beta-oxidation.
D.  phosphorylation. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

95.  Nonessential amino acids include
A.  arginine.
B.  lysine.
C.  methionine.
D.  tryptophan. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

True / False Questions
96.  Prior to entering the citric acid cycle, amino acids must be reductively deaminated.
FALSE

 

Blooms Level: 2. Understand
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

 

Multiple Choice Questions
97.  Through deamination and sometimes transamination reactions, amino acids may enter the aerobic respiration metabolic pathway at the level of
A.  pyruvic acid.
B.  acetyl CoA.
C.  citric acid cycle.
D.  All of these choices are correct. 

 

Blooms Level: 2. Understand
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

98.  Ammonia is produced by
A.  transamination.
B.  oxidative deamination.
C.  glycogenolysis.
D.  the Cori cycle. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

99.  What vitamin is a required coenzyme for transamination?
A.  B₃
B.  B₆
C.  B₉
D.  B₁₂ 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

100.  Most of the glucose secreted by the liver during fasting is due to
A.  glycogenolysis.
B.  gluconeogenesis.
C.  lipolysis.
D.  deamination. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

101.  Oxidative deamination is required for
A.  carbohydrate synthesis.
B.  carbohydrate breakdown.
C.  protein synthesis.
D.  protein breakdown. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

102.  Fatty acids are NOT an energy source for
A.  the brain.
B.  resting skeletal muscle.
C.  the liver.
D.  the heart. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

103.  What type of tissue is especially dependent on adequate plasma glucose levels?
A.  skeletal muscle
B.  cardiac muscle
C.  nervous
D.  liver 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

104.  Accumulation of lactic acid contributes to
A.  decreased brain function.
B.  oxygen debt.
C.  glycogen synthesis.
D.  decreased liver gluconeogenesis. 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

105.  Which amino acid serves as a channel through which other amino acids can form keto-acids?
A.  glutamic acid
B.  glycine
C.  aspartic acid
D.  alanine 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism

106.  Which of the following is NOT a main substrate for gluconeogenesis?
A.  lactic acid
B.  glycerol
C.  pyruvic acid
D.  alanine 

 

Blooms Level: 1. Remember
Learning Outcome: 05.07
Section: 05.04
Topic: Cell
Topic: Nutrition and Metabolism