Question 1

Tim 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 his urine?

Accepted Answer

A)   Glucose
B)   Lactate
C)   Pyruvate
D)   Ketone bodies
E)   ProteinsF) A) and B)
G) C) and E)

Question 2

Use the following key to choose the best answer.
-Cellulose

Accepted Answer

A)  Carbohydrates
B)  Lipids
C)  Proteins
D)  Nucleic acidsE) C) and D)
F) B) and C)

Question 3

Which of the following minerals is important in acid-base balance?

Accepted Answer

A)   Calcium
B)   Chlorine
C)   Iron
D)   Manganese
E)   SodiumF) C) and E)
G) C) and D)

Question 4

Use the following key to choose the best answer.
-Adipose tissue

Accepted Answer

A)  Carbohydrates
B)  Lipids
C)  Proteins
D)  Nucleic acidsE) B) and D)
F) B) and C)

Question 5

Which of the following vitamins is mismatched with its function?

Accepted Answer

A)   Vitamin D - bone growth
B)   Vitamin A - rhodopsin synthesis
C)   Folate - synthesis of clotting factors
D)   Vitamin C - collagen synthesis
E)   Vitamin B12 - red blood cell productionF) C) and D)
G) A) and B)

Question 6

When is NAD+ reduced to form NADH in glycolysis?

Accepted Answer

A)   After cleavage of sugar
B)   First step of the process
C)   Right before the cleavage step
D)   Right before conversion to pyruvic acidE) A) and C)
F) B) and C)

Question 7

Which of the following is the correct sequence?

Accepted Answer

A)   Acetyl-CoA formation, glycolysis, electron-transport chain, citric acid cycle
B)   Acetyl-CoA formation, citric acid cycle, electron transport chain, glycolysis
C)   Citric acid cycle, glycolysis, acetyl-CoA formation, electron transport chain
D)   Glycolysis, acetyl-CoA formation, citric acid cycle, electron transport chain
E)   Glycolysis, citric acid cycle, acetyl-CoA formation, electron transport chainF) A) and B)
G) C) and D)

Question 8

In glycolysis,

Accepted Answer

A)   NAD+ is reduced to form NADH.
B)   more energy is used than produced.
C)   glucose is formed as an end product.
D)   glyceraldehyde-3-phosphate is used as an enzyme.
E)   oxygen must be present for it to start.F) C) and D)
G) B) and D)

Question 9

What is the glutamic acid made from transamination used for?

Accepted Answer

A)   It enters the citric acid cycle.
B)   It is used to make other nonessential amino acids.
C)   It is used to produce ATP.
D)   None of the choices are correct.E) A) and C)
F) All of the above

Question 10

Which of the following are events of the absorptive state? (Check all that apply.)

Accepted Answer

A)   Triglycerides stored in adipose tissue
B)   Glucose converted to glycogen
C)   Lipids and proteins used for fuel
D)   Synthesis of proteins
E)   GlycogenolysisF) A) and B)
G) A) and C)

Question 11

Each NADH molecule fed into the electron transport chain produces approximately ________ ATPs.

Accepted Answer

A)   2
B)   3
C)   4
D)   5
E)   6F) All of the above
G) A) and B)

Question 12

Arrange the following steps of protein metabolism in correct sequence.
1)  Ammonia is converted to urea in the liver.
2)  Oxidative deamination of an amino acid.
3)  Urea is eliminated by the kidney.
4)  Ammonia and keto acids are formed.

Accepted Answer

A)   1, 3, 4, 2
B)   2, 4, 1, 3
C)   3, 1, 4, 2
D)   4, 1, 3, 2
E)   2, 3, 1, 4F) B) and D)
G) A) and B)

Question 13

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

Question 14

Oxidative deamination is a chemical process in which

Accepted Answer

A)   protein is synthesized.
B)   amino acids are buffered in the kidney.
C)   the amine group is removed from an amino acid.
D)   fatty acids are broken down to yield acetyl CoA.
E)   glutamic acid is produced.F) A) and D)
G) B) and C)

Question 15

Acetyl CoA

Accepted Answer

A)   can enter the electron transport system directly.
B)   is a by product of glycolysis.
C)   might be used in ketogenesis.
D)   is needed to start oxidative deamination.
E)   is converted to pyruvate.F) A) and B)
G) D) and E)

Question 16

Use the following key to choose the best answer.
-(1)  Heat loss wearing a hat
(2)  Heat loss without a hat

Accepted Answer

A)  Carbohydrates
B)  Lipids
C)  Proteins
D)  Nucleic acidsE) A) and B)
F) A) and C)

Question 17

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

Question 18

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

Question 19

If oxygen is present, what is the net yield of ATP produced by the oxidation of one molecule of glucose?

Accepted Answer

A)   4
B)   18
C)   22
D)   36
E)   40F) None of the above
G) A) and E)

Question 20

Which of the following organs can store glycogen?

Accepted Answer

A)   Spleen and pancreas
B)   Kidney and adrenal gland
C)   Large and small intestines
D)   Liver and muscles
E)   Stomach and pancreasF) A) and C)
G) B) and E)

Exam 25: Nutrition, Metabolism, and Temperature Regulation

Which of the following are events of the absorptive state? (Check all that apply.)

Correct AnswerverifiedShow Answer

Use the following key to choose the best answer. -(1) Heat loss wearing a hat (2) Heat loss without a hat

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence?

Correct AnswerverifiedShow Answer

Which of the following organs can store glycogen?

Correct AnswerverifiedShow Answer

Tim 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 his urine?

Correct AnswerverifiedShow Answer

Oxidative deamination is a chemical process in which

Correct AnswerverifiedShow Answer

When is NAD+ reduced to form NADH in glycolysis?

Correct AnswerverifiedShow Answer

Arrange the following steps of protein metabolism in correct sequence. 1) Ammonia is converted to urea in the liver. 2) Oxidative deamination of an amino acid. 3) Urea is eliminated by the kidney. 4) Ammonia and keto acids are formed.

Correct AnswerverifiedShow Answer

In glycolysis,

Correct AnswerverifiedShow Answer

Which of the following vitamins is mismatched with its function?

Correct AnswerverifiedShow Answer

Use the following key to choose the best answer. -Cellulose

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The energy cost for assimilation of food is called ________.

Correct AnswerverifiedShow Answer

What is the glutamic acid made from transamination used for?

Correct AnswerverifiedShow Answer

Which of the following minerals is important in acid-base balance?

Correct AnswerverifiedShow Answer

Use the following key to choose the best answer. -Adipose tissue

Correct AnswerverifiedShow Answer

Each NADH molecule fed into the electron transport chain produces approximately ________ ATPs.

Correct AnswerverifiedShow Answer

If oxygen is present, what is the net yield of ATP produced by the oxidation of one molecule of glucose?

Correct AnswerverifiedShow Answer

Acetyl CoA

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

When is NAD⁺ reduced to form NADH in glycolysis?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified