Question 1

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

Accepted Answer

A)   4;2;2
B)   6;4;2
C)   3;4;5
D)   2;4;6
E)   4;6;8F) None of the above
G) A) and B)

Question 2

A kilocalorie (kcal)  is a measure of the

Accepted Answer

A)   protein content of food.
B)   acidity of food.
C)   fat content of food.
D)   energy content of food.
E)   heat content of food.F) C) and D)
G) All of the above

Question 3

Where does glycolysis take place?

Accepted Answer

A)   in the inner compartment of the mitochondrion
B)   on the surface of the mitochondrion
C)   in the cytoplasm of the cell
D)   along the cristae of the mitochondrionE) A) and B)
F) All of the above

Question 4

When glucose is metabolized in the absence of oxygen, one of the end products is

Accepted Answer

A)   pyruvic acid.
B)   ketone bodies.
C)   lactic acid.
D)   citric acid.
E)   nitric acid.F) C) and E)
G) A) and D)

Question 5

During the postabsorptive state, the first source of glucose is

Accepted Answer

A)   fat.
B)   sugars.
C)   glycogen.
D)   amino acids.
E)   carbohydrates.F) A) and B)
G) A) and C)

Question 6

Which of the following statements is true?

Accepted Answer

A)   Catabolic reactions are synthesis reactions.
B)   Anabolic reactions are involved in the production of proteins from amino acids.
C)   The energy derived from anabolism is used to drive catabolism.
D)   Anabolic reactions release energy.
E)   Catabolic reactions consume energy.F) A) and D)
G) A) and C)

Question 7

The body synthesizes nonessential amino acids in a process called oxidative deamination.

Accepted Answer

A) True 
 B)False

Question 8

Slim N. Trim has been on a low-fat, no carbohydrate diet for two months. Which of the following would you expect to find in large quantities in the urine?

Accepted Answer

A)   glucose
B)   lactic acid
C)   pyruvic acid
D)   ketone bodies
E)   proteinsF) A) and D)
G) A) and B)

Question 9

The portion of the brain that regulates body temperature is the

Accepted Answer

A)   cerebral cortex.
B)   hypothalamus.
C)   medulla oblongata.
D)   pons.
E)   hypophysis.F) B) and C)
G) None of the above

Question 10

Which class of nutrients do we require the least of?

Accepted Answer

A)   Vitamins
B)   Water
C)   Carbohydrates
D)   Lipids
E)   ProteinsF) A) and B)
G) A) and D)

Question 11

Eicosanoids are involved in

Accepted Answer

A)   inflammation.
B)   blood clotting.
C)   tissue repair.
D)   smooth muscle contraction.
E)   All of these choices are correct.F) All of the above
G) C) and E)

Question 12

In the process called __________, glucose is broken down to two pyruvic acid molecules.

Accepted Answer

The answer of In the process called __________, glucose is...

Question 13

The process that uses amino acids and glycerol to form glucose is

Accepted Answer

A)   ketogenesis.
B)   glycogenesis.
C)   lipogenesis.
D)   gluconeogenesis.
E)   glycolysis.F) All of the above
G) A) and E)

Question 14

Proteins regulate the acid-base balance of the blood by

Accepted Answer

A)   acting as buffers.
B)   releasing nitrogen.
C)   transporting iron.
D)   binding sodium ions.
E)   removing carbon dioxide from the blood.F) A) and B)
G) A) and C)

Question 15

Phospholipids

Accepted Answer

A)   are found in cell membranes.
B)   are used as an energy source by cells.
C)   can be modified to form cholesterol.
D)   are involved in the process of inflammation.
E)   are found inside organelles.F) B) and C)
G) A) and D)

Question 16

The electron transport chain

Accepted Answer

A)   results in the formation of ATP.
B)   converts acetate to ketone bodies.
C)   converts glucose to fatty acids.
D)   converts fatty acids to glucose.
E)   removes a phosphate from ATP.F) A) and C)
G) A) and E)

Question 17

Which of the following statements is true?

Accepted Answer

A)   The primary role of carbohydrates is to serve as an energy source.
B)   Carbohydrates include sugars, starches, and amino acids.
C)   Maltose is a complex carbohydrate.
D)   Sucrose is the primary source of energy for most cells.
E)   Most carbohydrates come from animal products.F) A) and B)
G) All of the above

Question 18

If air temperature is higher than skin temperature, _______ becomes a means of heat loss through evaporation.

Accepted Answer

A)   sweating
B)   shivering
C)   fever
D)   chills
E)   vasoconstrictionF) None of the above
G) D) and E)

Question 19

How many ATP are made from each FADH2 that transfers electrons to the electron transport chain?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and D)
F) All of the above

Question 20

Which of the following events occurs last?

Accepted Answer

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

Exam 25: Nutrition, Metabolism, and Temperature Regulation

Slim N. Trim has been on a low-fat, no carbohydrate diet for two months. Which of the following would you expect to find in large quantities in the urine?

Correct AnswerverifiedShow Answer

Proteins regulate the acid-base balance of the blood by

Correct AnswerverifiedShow Answer

The process that uses amino acids and glycerol to form glucose is

Correct AnswerverifiedShow Answer

How many ATP are made from each FADH2 that transfers electrons to the electron transport chain?

Correct AnswerverifiedShow Answer

In the process called __________, glucose is broken down to two pyruvic acid molecules.

Correct AnswerverifiedShow Answer

Where does glycolysis take place?

Correct AnswerverifiedShow Answer

When glucose is metabolized in the absence of oxygen, one of the end products is

Correct AnswerverifiedShow Answer

Which class of nutrients do we require the least of?

Correct AnswerverifiedShow Answer

The electron transport chain

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Phospholipids

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

Correct AnswerverifiedShow Answer

The portion of the brain that regulates body temperature is the

Correct AnswerverifiedShow Answer

Eicosanoids are involved in

Correct AnswerverifiedShow Answer

Which of the following statements is true?

Correct AnswerverifiedShow Answer

Which of the following events occurs last?

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During the postabsorptive state, the first source of glucose is

Correct AnswerverifiedShow Answer

The body synthesizes nonessential amino acids in a process called oxidative deamination.

Correct AnswerverifiedShow Answer

Which of the following statements is true?

Correct AnswerverifiedShow Answer

A kilocalorie (kcal) is a measure of the

Correct AnswerverifiedShow Answer

If air temperature is higher than skin temperature, _______ becomes a means of heat loss through evaporation.

Correct AnswerverifiedShow Answer

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How many ATP are made from each FADH₂ that transfers electrons to the electron transport chain?

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

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