Question 1

Approximately how many kcalories from ethanol are contained in one standard drink of vodka or rum?

Accepted Answer

A) 25 
B) 50 
C) 100 
D) 200 
A) 25 
B) 50 
C) 100 
D) 200

Question 2

How are ketones formed?

Accepted Answer

A) Condensation of lactic acid molecules 
B) Condensation of acetyl CoA molecules 
C) Hydrolysis of excess glycerol fragments 
D) Hydrolysis of excess pyruvate fragments 
A) Condensation of lactic acid molecules 
B) Condensation of acetyl CoA molecules 
C) Hydrolysis of excess glycerol fragments 
D) Hydrolysis of excess pyruvate fragments

Question 3

In addition to energy,what are the principal end products of cellular oxidation of carbohydrates?

Accepted Answer

A) Water and carbon dioxide 
B) Carbon,hydrogen,and urea 
C) Indigestible fiber and nitrogen 
D) Monosaccharides and amino acids 
A) Water and carbon dioxide 
B) Carbon,hydrogen,and urea 
C) Indigestible fiber and nitrogen 
D) Monosaccharides and amino acids

Question 4

Your middle-aged aunt says that she always feels more "tipsy" than her same-size husband,even though their alcohol intake is the same.You respond by saying to your aunt:

Accepted Answer

A) "Men have greater amounts of liver acetaldehyde dehydrogenase and so can oxidize the alcohol at a faster rate." 
B) "Women have less stomach alcohol dehydrogenase enzyme and consequently absorb more of the alcohol into the bloodstream." 
C) "Men have greater amounts of alcohol dehydrogenase in the brain,resulting in reduced exposure of brain neurons to alcohol." 
D) "Women have less liver alcohol dehydrogenase and acetaldehyde dehydrogenase and so more alcohol is released into the systemic circulation." 
A) "Men have greater amounts of liver acetaldehyde dehydrogenase and so can oxidize the alcohol at a faster rate." 
B) "Women have less stomach alcohol dehydrogenase enzyme and consequently absorb more of the alcohol into the bloodstream." 
C) "Men have greater amounts of alcohol dehydrogenase in the brain,resulting in reduced exposure of brain neurons to alcohol." 
D) "Women have less liver alcohol dehydrogenase and acetaldehyde dehydrogenase and so more alcohol is released into the systemic circulation."

Question 5

Which of the following is a feature of the electron transport chain?

Accepted Answer

A) It captures energy in the high-energy bonds of ATP 
B) It pumps carbon dioxide across the mitochondrial membrane 
C) It is composed of a series of coenzymes that transfer electrons up a concentration gradient 
D) It combines oxygen from carbon dioxide with hydrogen generated from the splitting of water 
A) It captures energy in the high-energy bonds of ATP 
B) It pumps carbon dioxide across the mitochondrial membrane 
C) It is composed of a series of coenzymes that transfer electrons up a concentration gradient 
D) It combines oxygen from carbon dioxide with hydrogen generated from the splitting of water

Question 6

Which of the following is a feature of the metabolism of surplus dietary fat?

Accepted Answer

A) Excess fat is almost all stored 
B) Excess fat promotes increased fat oxidation 
C) Excess fat spares breakdown of body proteins 
D) Conversion of excess fat to storage fat is inefficient 
A) Excess fat is almost all stored 
B) Excess fat promotes increased fat oxidation 
C) Excess fat spares breakdown of body proteins 
D) Conversion of excess fat to storage fat is inefficient

Question 7

What is acetaldehyde?

Accepted Answer

A) An intermediate in fatty acid synthesis 
B) An intermediate in alcohol metabolism 
C) The first product of fatty acid catabolism 
D) The TCA compound that combines with acetyl CoA 
A) An intermediate in fatty acid synthesis 
B) An intermediate in alcohol metabolism 
C) The first product of fatty acid catabolism 
D) The TCA compound that combines with acetyl CoA

Question 8

In a triglyceride that contains 54 carbon atoms,how many can become part of glucose?

Accepted Answer

A) 3 
B) 9 
C) 54 
D) 108 
A) 3 
B) 9 
C) 54 
D) 108

Question 9

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 10

Which of the following is an example of a catabolic reaction?

Accepted Answer

A) Glucose formation from glycerol 
B) Pyruvate formation from glucose 
C) Albumin formation from amino acids 
D) Palmitic acid formation from acetate 
A) Glucose formation from glycerol 
B) Pyruvate formation from glucose 
C) Albumin formation from amino acids 
D) Palmitic acid formation from acetate

Question 11

The number of ATP molecules that can be produced from a molecule of protein,fat,or carbohydrate is generally related to the number of atoms of

Accepted Answer

A) carbon. 
B) oxygen. 
C) nitrogen. 
D) hydrogen. 
A) carbon. 
B) oxygen. 
C) nitrogen. 
D) hydrogen.

Question 12

Which of the following is a characteristic of ketosis?

Accepted Answer

A) It may lead to a lowering of blood pH 
B) It leads to increased appetite in most individuals 
C) It may be alleviated quickly by ingestion of some dietary fat 
D) It is a necessary physiological adjustment for maximum weight loss 
A) It may lead to a lowering of blood pH 
B) It leads to increased appetite in most individuals 
C) It may be alleviated quickly by ingestion of some dietary fat 
D) It is a necessary physiological adjustment for maximum weight loss

Question 13

Which of the following is a characteristic of lactate production by muscle cells?

Accepted Answer

A) It occurs only during intense exercise 
B) When rapid it causes muscle fatigue 
C) The lactate produced may eventually be used by the liver for glucose production d,It lowers pH of the muscle cell,thereby lowering muscle performance 
A) It occurs only during intense exercise 
B) When rapid it causes muscle fatigue 
C) The lactate produced may eventually be used by the liver for glucose production d,It lowers pH of the muscle cell,thereby lowering muscle performance

Question 14

What is the sequence of stages that brings about advanced liver disease caused by chronic alcohol toxicity?

Accepted Answer

A) Fibrosis,gout,cirrhosis 
B) Fibrosis,cirrhosis,fat depletion 
C) Cirrhosis,fat accumulation,fibrosis 
D) Fat accumulation,fibrosis,cirrhosis 
A) Fibrosis,gout,cirrhosis 
B) Fibrosis,cirrhosis,fat depletion 
C) Cirrhosis,fat accumulation,fibrosis 
D) Fat accumulation,fibrosis,cirrhosis

Question 15

What is the median weekly number of alcoholic drinks consumed by college students?

Accepted Answer

A) 1 1/2 
B) 3 
C) 5 
D) 10 
A) 1 1/2 
B) 3 
C) 5 
D) 10

Question 16

Production of excessive amounts of acetyl CoA molecules leads to the synthesis of

Accepted Answer

A) fatty acids only. 
B) fatty acids and glucose only. 
C) fatty acids and fructose only. 
D) fatty acids,glucose,and amino acids. 
A) fatty acids only. 
B) fatty acids and glucose only. 
C) fatty acids and fructose only. 
D) fatty acids,glucose,and amino acids.

Question 17

After digestion and absorption,an amino acid not used to build protein will first be subjected to

Accepted Answer

A) removal of its amino group. 
B) removal of its carboxyl group. 
C) hydrolysis of its peptide bond. 
D) condensation of its peptide bond. 
A) removal of its amino group. 
B) removal of its carboxyl group. 
C) hydrolysis of its peptide bond. 
D) condensation of its peptide bond.

Approximately how many kcalories from ethanol are contained in one standard drink of vodka or rum?

How are ketones formed?

In addition to energy,what are the principal end products of cellular oxidation of carbohydrates?

Your middle-aged aunt says that she always feels more "tipsy" than her same-size husband,even though their alcohol intake is the same.You respond by saying to your aunt:

Which of the following is a feature of the electron transport chain?

Which of the following is a feature of the metabolism of surplus dietary fat?

What is acetaldehyde?

In a triglyceride that contains 54 carbon atoms,how many can become part of glucose?

The metabolism of alcohol begins in the

Which of the following is an example of a catabolic reaction?

The number of ATP molecules that can be produced from a molecule of protein,fat,or carbohydrate is generally related to the number of atoms of

Which of the following is a characteristic of ketosis?

Which of the following is a characteristic of lactate production by muscle cells?

What is the sequence of stages that brings about advanced liver disease caused by chronic alcohol toxicity?

What is the median weekly number of alcoholic drinks consumed by college students?

Production of excessive amounts of acetyl CoA molecules leads to the synthesis of

After digestion and absorption,an amino acid not used to build protein will first be subjected to

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

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters

Exam 7: Energy Metabolism

Approximately how many kcalories from ethanol are contained in one standard drink of vodka or rum?

How are ketones formed?

In addition to energy,what are the principal end products of cellular oxidation of carbohydrates?

Your middle-aged aunt says that she always feels more "tipsy" than her same-size husband,even though their alcohol intake is the same.You respond by saying to your aunt:

Which of the following is a feature of the electron transport chain?

Which of the following is a feature of the metabolism of surplus dietary fat?

What is acetaldehyde?

In a triglyceride that contains 54 carbon atoms,how many can become part of glucose?

The metabolism of alcohol begins in the

Which of the following is an example of a catabolic reaction?

The number of ATP molecules that can be produced from a molecule of protein,fat,or carbohydrate is generally related to the number of atoms of

Which of the following is a characteristic of ketosis?

Which of the following is a characteristic of lactate production by muscle cells?

What is the sequence of stages that brings about advanced liver disease caused by chronic alcohol toxicity?

What is the median weekly number of alcoholic drinks consumed by college students?

Production of excessive amounts of acetyl CoA molecules leads to the synthesis of

After digestion and absorption,an amino acid not used to build protein will first be subjected to

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

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters