Question 1

The series of reactions involving the conversion of glucose to pyruvate is known as

Accepted Answer

A) pyrolysis. 
B) glycolysis. 
C) beta-oxidation. 
D) coupled reaction. 
A) pyrolysis. 
B) glycolysis. 
C) beta-oxidation. 
D) coupled reaction.

Question 2

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

Accepted Answer

A) Within 3 weeks 
B) Less than 2 weeks 
C) Between 5 and 6 weeks 
D) Between 2 and 3 months 
A) Within 3 weeks 
B) Less than 2 weeks 
C) Between 5 and 6 weeks 
D) Between 2 and 3 months

Question 3

The metabolism of alcohol begins in the

Accepted Answer

A) liver. 
B) brain. 
C) stomach. 
D) intestines. 
A) liver. 
B) brain. 
C) stomach. 
D) intestines.

Question 4

Which of the following plays a major role in regulating the elimination of alcohol from the body?

Accepted Answer

A) Lung respiratory rate 
B) Kidney antidiuretic hormone 
C) Liver alcohol dehydrogenase 
D) Brain acetaldehyde dehydrogenase 
A) Lung respiratory rate 
B) Kidney antidiuretic hormone 
C) Liver alcohol dehydrogenase 
D) Brain acetaldehyde dehydrogenase

Question 5

Which of the following is a possible fate of acetyl CoA?

Accepted Answer

A) Degradation to urea 
B) Synthesis to glycerol 
C) Synthesis to fatty acids 
D) Degradation to ammonia 
A) Degradation to urea 
B) Synthesis to glycerol 
C) Synthesis to fatty acids 
D) Degradation to ammonia

Question 6

The basic units derived from food include all of the following except

Accepted Answer

A) glycerol. 
B) starches. 
C) fatty acids. 
D) amino acids. 
A) glycerol. 
B) starches. 
C) fatty acids. 
D) amino acids.

Question 7

Products from the electron transport chain pathway include all of the following except

Accepted Answer

A) CO2. 
B) urea. 
C) water. 
D) energy. 
A) CO2. 
B) urea. 
C) water. 
D) energy.

Question 8

Fatty acid oxidation results in the direct production of

Accepted Answer

A) ketones. 
B) fructose. 
C) pyruvate. 
D) acetyl CoA. 
A) ketones. 
B) fructose. 
C) pyruvate. 
D) acetyl CoA.

Question 9

At what point is oxygen used in the electron transport chain?

Accepted Answer

A) At the end 
B) At every step 
C) At the beginning 
D) When ATP is synthesized 
A) At the end 
B) At every step 
C) At the beginning 
D) When ATP is synthesized

Question 10

Which of the following products is not generated via the TCA cycle or electron transport chain?

Accepted Answer

A) Water 
B) Energy 
C) Ammonia 
D) Carbon dioxide 
A) Water 
B) Energy 
C) Ammonia 
D) Carbon dioxide

Question 11

During the first few days of a fast, what energy source provides about 90% of the glucose needed to fuel the body?

Accepted Answer

A) Protein 
B) Ketones 
C) Glycogen 
D) Triglycerides 
A) Protein 
B) Ketones 
C) Glycogen 
D) Triglycerides

Question 12

Your roommate Demetrius is participating in a weightlifting course and complains of a burning pain during workouts.You explain to Demetrius that the rapid breakdown of glucose in his muscles produces large amounts of pyruvate, which leads to a fall in pH within the muscle and that the muscle responds by converting excess pyruvate to

Accepted Answer

A) lactate. 
B) glycerol. 
C) acetyl CoA. 
D) amino acids. 
A) lactate. 
B) glycerol. 
C) acetyl CoA. 
D) amino acids.

Question 13

Which of the following metabolic reactions occurs when a cell uses energy?

Accepted Answer

A) ATP gains a phosphate group and becomes ADP 
B) ADP gains a phosphate group and becomes ATP 
C) ATP releases a phosphate group and becomes ADP 
D) ADP releases a phosphate group and becomes ATP 
A) ATP gains a phosphate group and becomes ADP 
B) ADP gains a phosphate group and becomes ATP 
C) ATP releases a phosphate group and becomes ADP 
D) ADP releases a phosphate group and becomes ATP

Question 14

Which of the following is characteristic of alcohol absorption?

Accepted Answer

A) It is slowed when the stomach is full of food 
B) It is increased when high-fat snacks are eaten 
C) It is increased when carbohydrate snacks are eaten 
D) It is lower in women than in men of the same body weight 
A) It is slowed when the stomach is full of food 
B) It is increased when high-fat snacks are eaten 
C) It is increased when carbohydrate snacks are eaten 
D) It is lower in women than in men of the same body weight

Question 15

All of the following may serve as precursors for oxaloacetate synthesis except

Accepted Answer

A) fat. 
B) starch. 
C) glucose. 
D) protein. 
A) fat. 
B) starch. 
C) glucose. 
D) protein.

Question 16

With alcohol beverages, the ratio of proof to alcohol percentage is

Accepted Answer

A) 1:1. 
B) 2:1. 
C) 4:1. 
D) 8:1. 
A) 1:1. 
B) 2:1. 
C) 4:1. 
D) 8:1.

Question 17

What minimum concentration of alcohol in the blood is usually fatal?

Accepted Answer

A) 0.5% 
B) 1% 
C) 5% 
D) 50% 
A) 0.5% 
B) 1% 
C) 5% 
D) 50%

Question 18

What is the primary organ that oxidizes alcohol?

Accepted Answer

A) Brain 
B) Liver 
C) Pancreas 
D) Digestive tract 
A) Brain 
B) Liver 
C) Pancreas 
D) Digestive tract

Question 19

When protein consumption is in excess of body needs and energy needs are met, the excess amino acids are metabolized and the energy in the molecules is

Accepted Answer

A) stored as fat only. 
B) excreted in the feces. 
C) stored as amino acids only. 
D) stored as glycogen and fat. 
A) stored as fat only. 
B) excreted in the feces. 
C) stored as amino acids only. 
D) stored as glycogen and fat.

Question 20

What term is specific to reactions in which simple compounds are combined into more complex molecules?

Accepted Answer

A) Anabolic 
B) Catabolic 
C) Ergogenic 
D) Gluconeogenic 
A) Anabolic 
B) Catabolic 
C) Ergogenic 
D) Gluconeogenic

Exam 7: Metabolism: Transformations and Interactions

The series of reactions involving the conversion of glucose to pyruvate is known as

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

The metabolism of alcohol begins in the

Which of the following plays a major role in regulating the elimination of alcohol from the body?

Which of the following is a possible fate of acetyl CoA?

The basic units derived from food include all of the following except

Products from the electron transport chain pathway include all of the following except

Fatty acid oxidation results in the direct production of

At what point is oxygen used in the electron transport chain?

Which of the following products is not generated via the TCA cycle or electron transport chain?

During the first few days of a fast, what energy source provides about 90% of the glucose needed to fuel the body?

Which of the following metabolic reactions occurs when a cell uses energy?

Which of the following is characteristic of alcohol absorption?

All of the following may serve as precursors for oxaloacetate synthesis except

With alcohol beverages, the ratio of proof to alcohol percentage is

What minimum concentration of alcohol in the blood is usually fatal?

What is the primary organ that oxidizes alcohol?

When protein consumption is in excess of body needs and energy needs are met, the excess amino acids are metabolized and the energy in the molecules is

What term is specific to reactions in which simple compounds are combined into more complex molecules?

An Overview of Nutrition

Planning a Healthy Diet

Digestion, Absorption, and Transport

The Carbohydrates: Sugars, Starches and Fibers

The Lipids: Triglycerides, Phospholipids, and Sterols

Protein: Amino Acids

Energy Balance and Body Composition

Weight Management: Overweight, Obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, D, E, and K

Water and the Major Minerals

The Trace Minerals

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, Childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Nutrition Care and Assessment

Nutrition Intervention

Medications, Diet-Drug Interactions, and Herbal Products

Enteral Nutrition Support

Parenteral Nutrition Support

Metabolic and Respiratory Stress

Upper Gastrointestinal Disorders

Lower Gastrointestinal Disorders

Liver Disease and Gallstones

Diabetes Mellitus

Cardiovascular Diseases

Kidney Diseases

Cancer and Hiv Infection

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