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A cell that metabolizes 4 molecules of glucose would complete ________ rounds of the citric acid cycle and produce ________ CO2 molecules.


A) 4; 24
B) 8; 24
C) 4; 32
D) 8; 32

E) A) and B)
F) C) and D)

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Which of the following events at the electron-transport chain occurs last?


A) Hydrogen ions diffuse into inner mitochondrial compartment.
B) Hydrogen ions are moved from inner to outer mitochondrial compartment.
C) The movement of hydrogen ions through special channels is coupled to ATP production.
D) A hydrogen ion concentration gradient is established.
E) NADH transfer electrons to the electron-transport chain.

F) A) and E)
G) C) and E)

Correct Answer

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Use the following key to choose the best answer. -Vitamins A, E, D, K


A) Carbohydrates
B) Lipids
C) Proteins
D) Nucleic acids

E) None of the above
F) A) and D)

Correct Answer

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Excessive bleeding due to slowed blood clotting is a symptom of vitamin ________ deficiency.


A) A
B) D
C) E
D) K
E) C

F) A) and E)
G) B) and E)

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Which of the following will increase metabolic rate?


A) Exercise
B) Fasting
C) Malnutrition
D) Reduced caloric intake
E) Dieting

F) A) and D)
G) B) and E)

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Match the vitamin with its function in the body. -Vitamin K


A) Required for the synthesis of clotting factors (prothrombin)
B) Is a component of the coenzyme FAD
C) Promotes calcium and phosphorus use
D) Involved in amino acid metabolism
E) Primary constituent of coenzyme A

F) A) and B)
G) None of the above

Correct Answer

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Match the vitamin with its associated disease. -Vitamin C


A) Scurvy
B) Night blindness
C) Beriberi
D) Pellagra
E) Pernicious anemia

F) All of the above
G) A) and B)

Correct Answer

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What is the measurement of the energy content of food?


A) Grams
B) Calories
C) BTUs
D) Joules

E) A) and B)
F) None of the above

Correct Answer

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Which class of nutrients do we require the least of?


A) Vitamins
B) Water
C) Carbohydrates
D) Lipids
E) Proteins

F) A) and E)
G) C) and D)

Correct Answer

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Which atom is a major player in the production of energy from nutrient molecules?


A) Carbon
B) Oxygen
C) Hydrogen
D) Nitrogen

E) A) and C)
F) None of the above

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During the steps of glycolysis, ________ ATPs, ________ NADHs, and ________ molecules of pyruvate are produced.


A) 4; 2; 2
B) 6; 4; 2
C) 3; 4; 5
D) 2; 4; 6
E) 4; 6; 8

F) None of the above
G) A) and D)

Correct Answer

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Use the following key to choose the best answer. -(1) Basal metabolic rate for a female (2) Basal metabolic rate for a male


A) Carbohydrates
B) Lipids
C) Proteins
D) Nucleic acids

E) A) and C)
F) C) and D)

Correct Answer

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The events that occur in the postabsorptive state collectively ________.


A) decrease lipid metabolism
B) maintain blood glucose levels
C) interconvert proteins to lipids
D) assure adequate lipogenesis
E) maintain protein levels

F) A) and B)
G) C) and E)

Correct Answer

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If a person cuts their daily caloric intake by 500 Kcal, how long will it take to lose 1 pound?


A) 5 days
B) 1 week
C) 10 days
D) 2 weeks
E) 12 days

F) B) and D)
G) B) and C)

Correct Answer

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Match the vitamin with its associated disease. -Thiamin


A) Scurvy
B) Night blindness
C) Beriberi
D) Pellagra
E) Pernicious anemia

F) B) and C)
G) C) and D)

Correct Answer

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The presence of ketone bodies in the urine indicates increased metabolism of ________.


A) amino acids
B) lactate
C) fatty acids
D) nucleic acids
E) citric acids

F) A) and B)
G) A) and C)

Correct Answer

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Match the vitamin with its function in the body. -Vitamin D


A) Required for the synthesis of clotting factors (prothrombin)
B) Is a component of the coenzyme FAD
C) Promotes calcium and phosphorus use
D) Involved in amino acid metabolism
E) Primary constituent of coenzyme A

F) A) and B)
G) C) and D)

Correct Answer

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Arrange the following events so that they indicate a possible metabolic sequence the body might use to interconvert a protein to a lipid. 1) Glycerol and three fatty acids combine to form triglycerides. 2) Fatty acids are formed from acetyl CoA. 3) Protein is digested to release amino acids. 4) Amino acids are converted to acetyl CoA.


A) 2, 3, 4, 1
B) 3, 4, 2, 1
C) 4, 2, 3, 1
D) 2, 4, 3, 1
E) 4, 3, 2, 1

F) B) and E)
G) A) and B)

Correct Answer

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Why is it important that glucose be converted to glucose-6-phosphate once glucose enters a cell?


A) This form is easier for cells to metabolize.
B) Glucose can't diffuse out of the cell if it is in this form.
C) The cells can easily excrete this molecule.
D) It becomes a long-term storage molecule for glucose.
E) It can now cross the plasma membrane.

F) All of the above
G) D) and E)

Correct Answer

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Which of the following individuals is most likely to be in a negative nitrogen balance?


A) A healthy pregnant woman
B) A 10-year-old child
C) An adult woman with adequate protein intake
D) An elderly homeless man
E) A healthy adult man who exercises

F) A) and E)
G) B) and D)

Correct Answer

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