Question 1

What process produces most of the NADH that contributes to ATP synthesis in the cell?

Accepted Answer

A)  Glycolysis
B)  The citric acid cycle
C)  Anaerobic fermentation
D)  The mitochondrial proton pumps
E)  The electron transfer from FADH2F) A) and C)
G) B) and D)

Question 2

__________ yield about 4 kcal/g when completely oxidized,whereas __________ yield about 9 kcal/g.

Accepted Answer

A)  Proteins and carbohydrates; fats
B)  Proteins; fats and carbohydrates
C)  Fats; carbohydrates and proteins
D)  Carbohydrates; fats and proteins
E)  Carbohydrates and fats; proteinsF) B) and C)
G) C) and D)

Question 3

During periods of fasting,why is fat said to have a protein-sparing effect?

Accepted Answer

A)  The body oxidizes its spare protein before it depletes its fat reserves.
B)  The body metabolizes fats and proteins through the same metabolic pathways.
C)  The body must have an adequate fat intake in order to absorb and metabolize proteins.
D)  The body must have an adequate protein intake in order to absorb and metabolize fats.
E)  The body does not oxidize its proteins unless it has consumed its fat reserves first.F) C) and E)
G) C) and D)

Question 4

Norepinephrine stimulates cravings for carbohydrates,whereas endorphins stimulate cravings for proteins.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is true regarding body temperature?

Accepted Answer

A)  Oral temperature is a good way to estimate core temperature.
B)  Adult oral temperature is typically 36.6 ∘\circ∘ to 37.0 ∘\circ∘ C.
C)  Body temperature is highest in the afternoon.
D)  Organs in the spinal cavity are at the shell temperature. E) All of the above
F) C) and D)

Question 6

The heat-promoting center is located in the hypothalamus,which triggers shivering.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is not a function of lipids?

Accepted Answer

A)  They form the plasma membrane structure.
B)  They form myelin around nerve fibers.
C)  They form the structure of some hormones.
D)  They provide cushioning around soft organs.
E)  They form skeletal muscle fibers.F) A) and C)
G) A) and E)

Question 8

Which of the following constitutes the so-called "bad cholesterol?"

Accepted Answer

A)  Triglycerides
B)  Chylomicrons
C)  Low-density lipoproteins
D)  High-density lipoproteins
E)  Very-low-density lipoproteinsF) A) and E)
G) C) and D)

Question 9

Mental state does not affect metabolic rate.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is a product of glycolysis?

Accepted Answer

A)  Glucose
B)  Carbon dioxide
C)  Lactic acid
D)  Pyruvic acid
E)  Acetyl-CoAF) A) and B)
G) D) and E)

Question 11

Which of the following are macronutrients?

Accepted Answer

A)  Sodium, potassium, calcium, chloride, and phosphorous
B)  Nucleic acids, carbohydrates, lipids, and proteins
C)  Sodium, potassium, carbohydrates, lipids, and proteins
D)  Carbohydrates, lipids, proteins, and water
E)  Carbohydrates, lipids, and proteins, but not waterF) All of the above
G) C) and E)

Question 12

Which of the following compounds yields the most ATP per molecule?

Accepted Answer

A)  Glucose
B)  Pyruvic acid
C)  Acetyl-CoA
D)  Lactic acid
E)  GlycogenF) B) and C)
G) A) and D)

Question 13

The absorptive state lasts about fifteen minutes after a meal.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not a major class of nutrients?

Accepted Answer

A)  Water
B)  Carbohydrates
C)  Nucleic acids
D)  Vitamins
E)  MineralsF) None of the above
G) A) and E)

Question 15

Which of the following enhances loss of body heat by conduction?

Accepted Answer

A)  Radiation
B)  Evaporation
C)  Nonshivering thermogenesis
D)  Shivering thermogenesis
E)  ConvectionF) B) and D)
G) A) and C)

Question 16

Approximately what percentage of the energy in a glucose molecule winds up in ATP with the rest lost as body heat?

Accepted Answer

A)  10
B)  20
C)  40
D)  80
E)  98F) A) and D)
G) All of the above

Question 17

Consumption of excess calories during adulthood causes adipocytes to multiply.

Accepted Answer

A) True 
 B)False

Question 18

Fats should account for about __________ percent of the daily caloric intake.

Accepted Answer

A)  5
B)  10
C)  30
D)  60
E)  80F) A) and E)
G) A) and D)

Question 19

How much ATP can oxidation of a 16 carbon atom fatty acid yield?

Accepted Answer

A)  2 ATP
B)  18 ATP
C)  36 ATP
D)  38 ATP
E)  129 ATPF) D) and E)
G) B) and E)

Question 20

High-quality __________ proteins are those that provide all the essential amino acids.

Accepted Answer

A)  globular
B)  fibrous
C)  net
D)  incomplete
E)  completeF) B) and C)
G) A) and D)

Exam 26: Nutrition and Metabolism

Consumption of excess calories during adulthood causes adipocytes to multiply.

Correct AnswerverifiedShow Answer

Norepinephrine stimulates cravings for carbohydrates,whereas endorphins stimulate cravings for proteins.

Correct AnswerverifiedShow Answer

Which of the following is not a function of lipids?

Correct AnswerverifiedShow Answer

Which of the following is not a major class of nutrients?

Correct AnswerverifiedShow Answer

Which of the following constitutes the so-called "bad cholesterol?"

Correct AnswerverifiedShow Answer

Which of the following is a product of glycolysis?

Correct AnswerverifiedShow Answer

Which of the following are macronutrients?

Correct AnswerverifiedShow Answer

During periods of fasting,why is fat said to have a protein-sparing effect?

Correct AnswerverifiedShow Answer

Mental state does not affect metabolic rate.

Correct AnswerverifiedShow Answer

Which of the following compounds yields the most ATP per molecule?

Correct AnswerverifiedShow Answer

What process produces most of the NADH that contributes to ATP synthesis in the cell?

Correct AnswerverifiedShow Answer

Approximately what percentage of the energy in a glucose molecule winds up in ATP with the rest lost as body heat?

Correct AnswerverifiedShow Answer

Which of the following is true regarding body temperature?

Correct AnswerverifiedShow Answer

How much ATP can oxidation of a 16 carbon atom fatty acid yield?

Correct AnswerverifiedShow Answer

__________ yield about 4 kcal/g when completely oxidized,whereas __________ yield about 9 kcal/g.

Correct AnswerverifiedShow Answer

The heat-promoting center is located in the hypothalamus,which triggers shivering.

Correct AnswerverifiedShow Answer

High-quality __________ proteins are those that provide all the essential amino acids.

Correct AnswerverifiedShow Answer

Fats should account for about __________ percent of the daily caloric intake.

Correct AnswerverifiedShow Answer

The absorptive state lasts about fifteen minutes after a meal.

Correct AnswerverifiedShow Answer

Which of the following enhances loss of body heat by conduction?

Correct AnswerverifiedShow Answer

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yield about 4 kcal/g when completely oxidized,whereas yield about 9 kcal/g.

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