Question 1

What would happen to a vitamin if its chemical structure is destroyed by catabolism?

Accepted Answer

A)  It could be recycled.
B)  It would become nonfunctional.
C)  It becomes a provitamin.
D)  It becomes a coenzyme.
E)  Nothing; this is normal.F) All of the above
G) A) and B)

Question 2

How many ATP and NADH are produced by glycolysis of one glucose molecule?

Accepted Answer

A)  2 ATP and 1 NADH
B)  4 ATP and 4 NADH
C)  2 ATP and 2 NADH
D)  1 ATP and 2 NADHE) All of the above
F) C) and D)

Question 3

Complex carbohydrates include

Accepted Answer

A)  glucose and fructose.
B)  maltose and sucrose.
C)  starch,glycogen,and cellulose.
D)  cellulose and glucose.
E)  glucose and lactose.F) A) and E)
G) A) and B)

Question 4

During the postabsorptive state,the first source of glucose is

Accepted Answer

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

Question 5

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

Accepted Answer

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

Question 6

Match the mineral with its function.
-phosphorus

Accepted Answer

A)  functions in carbon dioxide metabolism and transport,also needed for protein metabolism
B)  component of hemoglobin
C)  a constituent of coenzymes; needed for bone formation and proper function of nerve and muscle
D)  needed for the production of thyroxine
E)  component of nucleic acids and ATP; used in bone formationF) C) and E)
G) A) and D)

Question 7

The energy cost for assimilation of food is called

Accepted Answer

A)  the thermic effect of food.
B)  the basal metabolic rate.
C)  the caloric intake.
D)  homeothermy.
E)  free energy.F) A) and C)
G) B) and C)

Question 8

Match the mineral with its function.
-iodine

Accepted Answer

A)  functions in carbon dioxide metabolism and transport,also needed for protein metabolism
B)  component of hemoglobin
C)  a constituent of coenzymes; needed for bone formation and proper function of nerve and muscle
D)  needed for the production of thyroxine
E)  component of nucleic acids and ATP; used in bone formationF) B) and E)
G) A) and B)

Question 9

Total energy expenditure is estimated from

Accepted Answer

A)  basal metabolic rate.
B)  thermic effect of food.
C)  physical activity.
D)  basal metabolic rate and physical activity.
E)  basal metabolic rate,thermic effect of food,and physical activity.F) A) and D)
G) None of the above

Question 10

Starches and sugars are examples of

Accepted Answer

A)  carbohydrates.
B)  lipids.
C)  proteins.
D)  vitamins.
E)  minerals.F) A) and B)
G) D) and E)

Question 11

The sum of all chemical reactions that occur in the body is known as

Accepted Answer

A)  absorption.
B)  metabolism.
C)  digestion.
D)  catabolism.
E)  anabolismF) A) and E)
G) B) and C)

Question 12

Match the vitamin with its function in the body.
-pyridoxine (B6)

Accepted Answer

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)  a primary constituent of coenzyme AF) A) and B)
G) C) and D)

Question 13

The production of protein by cells is an example of

Accepted Answer

A)  anabolism.
B)  catabolism.
C)  glycolysis.
D)  phosphorylation.
E)  decomposition.F) B) and D)
G) B) and E)

Question 14

Which of the following statements is true?

Accepted Answer

A)  Hydrogen ions are pumped across the plasma membrane.
B)  Electrons pass from one electron carrier to another in the electron transport chain.
C)  Water serves as the final electron acceptor.
D)  Chemiosmosis forms carbon dioxide.
E)  The chemiosmosis model refers to movement of water.F) A) and E)
G) All of the above

Question 15

Excess glucose in animals is stored as

Accepted Answer

A)  starch.
B)  sucrose.
C)  glycogen.
D)  galactose.
E)  cellulose.F) A) and E)
G) B) and E)

Question 16

Polyunsaturated vegetable oils can be changed from liquids to solids by

Accepted Answer

A)  adding more unsaturated fatty acids to the molecules.
B)  removing the glycerol portion of the molecules.
C)  decreasing the number of double covalent bonds in their fatty acids.
D)  removing hydrogens from the molecules.E) B) and C)
F) A) and D)

Question 17

Olive and peanut oils are both

Accepted Answer

A)  solid fats.
B)  polyunsaturated fats.
C)  monounsaturated fats.
D)  fatty acids.
E)  hydrogenated.F) A) and C)
G) D) and E)

Question 18

Which of the following is/are possible uses of amino acids in energy production?

Accepted Answer

A)  forming a ketoacid that can enter the citric acid cycle
B)  forming intermediate molecules of carbohydrate metabolism
C)  forming NADH that enters the electron-transport chain.
D)  All of the choices are uses of amino acids in energy production.E) C) and D)
F) A) and B)

Question 19

Metabolic rate is the total amount of

Accepted Answer

A)  glucose absorbed by the small intestine each hour.
B)  heat produced by body cells in an hour.
C)  energy produced and used by the body per unit of time.
D)  carbon dioxide exhaled per unit of time.
E)  kilocalories consumed.F) B) and E)
G) A) and B)

Question 20

Match the vitamin with its function in the body.
-riboflavin

Accepted Answer

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)  a primary constituent of coenzyme AF) B) and E)
G) A) and B)

Exam 25: Nutrition,metabolism,and Temperature Regulation

Metabolic rate is the total amount of

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The energy cost for assimilation of food is called

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How many ATP and NADH are produced by glycolysis of one glucose molecule?

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Starches and sugars are examples of

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Match the vitamin with its function in the body. -riboflavin

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The production of protein by cells is an example of

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Match the vitamin with its function in the body. -pyridoxine (B6)

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Complex carbohydrates include

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The sum of all chemical reactions that occur in the body is known as

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Olive and peanut oils are both

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

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Match the mineral with its function. -iodine

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Which of the following is/are possible uses of amino acids in energy production?

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Which of the following statements is true?

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During the postabsorptive state,the first source of glucose is

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What would happen to a vitamin if its chemical structure is destroyed by catabolism?

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Polyunsaturated vegetable oils can be changed from liquids to solids by

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Match the mineral with its function. -phosphorus

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Excess glucose in animals is stored as

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Total energy expenditure is estimated from

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