Question 1

Explain how the energy systems may be used by the body under different exercise or activity conditions but remain integrated.

Accepted Answer

The body uses different energy systems t

Question 2

Oxidative phosphprylation is the preferred energy system during ____.

Accepted Answer

A) sustained, repeated sprints 
B) very heavy weight lifting 
C) short, fast sprints 
D) dance aerobics 
A) sustained, repeated sprints 
B) very heavy weight lifting 
C) short, fast sprints 
D) dance aerobics

Question 3

The body's "turnover"of creatine is approximately ____ per day.

Accepted Answer

A) 1 g 
B) 2 g 
C) 4 g 
D) 5 g 
A) 1 g 
B) 2 g 
C) 4 g 
D) 5 g

Question 4

The preferred fuel source at rest is ___________.

Accepted Answer

The answer of The preferred fuel source at rest is...

Question 5

Which of the following is a true statement about nutrient metabolism in the fasting state?

Accepted Answer

A) Fatty acids are stored as triglycerides. 
B) Storage of muscle glycogen is enhanced. 
C) Liver glycogen is depleted. 
D) Amino acids are unlikely used for energy. 
A) Fatty acids are stored as triglycerides. 
B) Storage of muscle glycogen is enhanced. 
C) Liver glycogen is depleted. 
D) Amino acids are unlikely used for energy.

Question 6

The rephosphorylation of ATP is an exergonic reaction.

Accepted Answer

A) True 
 B)False

Question 7

It is biochemically impossible to convert carbohydrate to fatty acids.

Accepted Answer

A) True 
 B)False

Question 8

The elevated oxygen consumption during recovery from an exercise bout is called EPOC or ____.

Accepted Answer

A) oxygen debt 
B) oxygen deficit 
C) anaerobic threshold 
D) fat burning zone 
A) oxygen debt 
B) oxygen deficit 
C) anaerobic threshold 
D) fat burning zone

Question 9

Why is there a difference between the amount of ATP produced by glucose and by glycogen?

Accepted Answer

A) The breakdown of glycogen requires many more steps thus more ATP is produced along the way. 
B) The breakdown of glycogen requires less ATP in the energy investment phase. 
C) Glucose and glycogen use very different metabolic pathways to yield pyruvate and that accounts for the difference in ATP production. 
D) Less water is produced when glucose is the starting compound and that directly affects ATP production. 
A) The breakdown of glycogen requires many more steps thus more ATP is produced along the way. 
B) The breakdown of glycogen requires less ATP in the energy investment phase. 
C) Glucose and glycogen use very different metabolic pathways to yield pyruvate and that accounts for the difference in ATP production. 
D) Less water is produced when glucose is the starting compound and that directly affects ATP production.

Question 10

The term aerobic energy system refers to ____.

Accepted Answer

A) the creatine phosphate energy system 
B) anaerobic glycolysis 
C) oxidative phosphorylation 
D) the ATP-PC energy system 
A) the creatine phosphate energy system 
B) anaerobic glycolysis 
C) oxidative phosphorylation 
D) the ATP-PC energy system

Question 11

The oxidative phosphorylation process takes place in the cell __________.

Accepted Answer

The answer of The oxidative phosphorylation process takes place in...

Question 12

The primary function of the Krebs cycle is to ____.

Accepted Answer

A) degrade glucose or glycogen to lactate and produce ATP 
B) oxidize carbohydrates, fats, and proteins and ready them for ATP production 
C) generate large amounts of ATP and related compounds 
D) produce carbon dioxide and water for use in other energy-yielding systems 
A) degrade glucose or glycogen to lactate and produce ATP 
B) oxidize carbohydrates, fats, and proteins and ready them for ATP production 
C) generate large amounts of ATP and related compounds 
D) produce carbon dioxide and water for use in other energy-yielding systems

Question 13

Why does the amount of ATP produced in skeletal muscle differ from the amount produced in other tissues?

Accepted Answer

A) Skeletal muscle is more efficient than other tissues in the production of ATP. 
B) Skeletal muscle transfers electrons via FAD while other tissues use NAD. 
C) Skeletal muscle completely oxidizes carbohydrates while other tissues do not. 
D) Skeletal muscle has fewer rate-limiting enzymes than do other tissues. 
A) Skeletal muscle is more efficient than other tissues in the production of ATP. 
B) Skeletal muscle transfers electrons via FAD while other tissues use NAD. 
C) Skeletal muscle completely oxidizes carbohydrates while other tissues do not. 
D) Skeletal muscle has fewer rate-limiting enzymes than do other tissues.

Question 14

If creatine phosphate is nearly depleted in skeletal muscle by high-intensity exercise, how is it rephosphorylated?

Accepted Answer

A) By consuming creatine as a dietary supplement 
B) By consuming ATP as a dietary supplement 
C) From ATP generated anaerobically by glycolysis 
D) From ATP generated aerobically by oxidative phosphorylation 
A) By consuming creatine as a dietary supplement 
B) By consuming ATP as a dietary supplement 
C) From ATP generated anaerobically by glycolysis 
D) From ATP generated aerobically by oxidative phosphorylation

Question 15

Match between columns
                        Premises: a fatty acid that can be oxidized

Accepted Answer

The Answer of RER and Lipolysis and Reduced and VOS1U1B12S1U1B0 is...

Question 16

If creatine phosphate is nearly depleted in skeletal muscle by high-intensity exercise, approximately how long does it take to restore creatine phosphate levels?

Accepted Answer

A) 1-2 seconds 
B) 1-2 minutes 
C) 1-2 hours 
D) 1-2 days 
A) 1-2 seconds 
B) 1-2 minutes 
C) 1-2 hours 
D) 1-2 days

Question 17

Metabolism of one molecule of which of the following produces the highest number of ATPs?

Accepted Answer

A) Glucose via anaerobic glycolysis 
B) Glucose via oxidative phosphorylation 
C) Amino acid metabolism (e.g., alanine) 
D) Fat metabolism (e.g., palmitate) 
A) Glucose via anaerobic glycolysis 
B) Glucose via oxidative phosphorylation 
C) Amino acid metabolism (e.g., alanine) 
D) Fat metabolism (e.g., palmitate)

Question 18

Based on dietary intake only, whom would you expect to have the lowest amount of muscle creatine?

Accepted Answer

A) Vegetarians 
B) Red meat eaters 
C) Fish eaters 
D) No differences would be expected based on dietary intake 
A) Vegetarians 
B) Red meat eaters 
C) Fish eaters 
D) No differences would be expected based on dietary intake

Question 19

How many chemical steps are required for the rephosphorylation of ATP by creatine phosphate?

Accepted Answer

A) 1 
B) 3 
C) 18 
D) 124 
A) 1 
B) 3 
C) 18 
D) 124

Question 20

Arrange the energy sources muscle glycogen, adipose tissue triglyceride, liver glycogen, and blood glucose in order from the least to the greatest based on the amount of energy stored in the body:
…..A…..B…..C…..D…..
Least greatest
Adipose tissue triglyceride

Accepted Answer

A) A - least 
B) B - low 
C) C - great 
D) D - greatest 
A) A - least 
B) B - low 
C) C - great 
D) D - greatest

Explain how the energy systems may be used by the body under different exercise or activity conditions but remain integrated.

Oxidative phosphprylation is the preferred energy system during ____.

The body's "turnover"of creatine is approximately ____ per day.

The preferred fuel source at rest is ___________.

Which of the following is a true statement about nutrient metabolism in the fasting state?

The rephosphorylation of ATP is an exergonic reaction.

It is biochemically impossible to convert carbohydrate to fatty acids.

The elevated oxygen consumption during recovery from an exercise bout is called EPOC or ____.

Why is there a difference between the amount of ATP produced by glucose and by glycogen?

The term aerobic energy system refers to ____.

The oxidative phosphorylation process takes place in the cell __________.

The primary function of the Krebs cycle is to ____.

Why does the amount of ATP produced in skeletal muscle differ from the amount produced in other tissues?

If creatine phosphate is nearly depleted in skeletal muscle by high-intensity exercise, how is it rephosphorylated?

If creatine phosphate is nearly depleted in skeletal muscle by high-intensity exercise, approximately how long does it take to restore creatine phosphate levels?

Metabolism of one molecule of which of the following produces the highest number of ATPs?

Based on dietary intake only, whom would you expect to have the lowest amount of muscle creatine?

How many chemical steps are required for the rephosphorylation of ATP by creatine phosphate?

Arrange the energy sources muscle glycogen, adipose tissue triglyceride, liver glycogen, and blood glucose in order from the least to the greatest based on the amount of energy stored in the body: …..A…..B…..C…..D….. Least greatest Adipose tissue triglyceride

Introduction to Sports Nutrition

Defining and Measuring Energy

Carbohydrates

Proteins

Fats

Water and Electrolytes

Vitamins

Minerals

Diet Planning: Food First, Supplements Second

Weight and Body Composition

Disordered Eating and Exercise Patterns in Athletes

Diet and Exercise for Lifelong Fitness and Health

Filters

Exam 3: Energy Systems and Exercise

Explain how the energy systems may be used by the body under different exercise or activity conditions but remain integrated.

Oxidative phosphprylation is the preferred energy system during ____.

The body's "turnover"of creatine is approximately ____ per day.

The preferred fuel source at rest is ___________.

Which of the following is a true statement about nutrient metabolism in the fasting state?

The rephosphorylation of ATP is an exergonic reaction.

It is biochemically impossible to convert carbohydrate to fatty acids.

The elevated oxygen consumption during recovery from an exercise bout is called EPOC or ____.

Why is there a difference between the amount of ATP produced by glucose and by glycogen?

The term aerobic energy system refers to ____.

The oxidative phosphorylation process takes place in the cell __________.

The primary function of the Krebs cycle is to ____.

Why does the amount of ATP produced in skeletal muscle differ from the amount produced in other tissues?

If creatine phosphate is nearly depleted in skeletal muscle by high-intensity exercise, how is it rephosphorylated?

If creatine phosphate is nearly depleted in skeletal muscle by high-intensity exercise, approximately how long does it take to restore creatine phosphate levels?

Metabolism of one molecule of which of the following produces the highest number of ATPs?

Based on dietary intake only, whom would you expect to have the lowest amount of muscle creatine?

How many chemical steps are required for the rephosphorylation of ATP by creatine phosphate?

Arrange the energy sources muscle glycogen, adipose tissue triglyceride, liver glycogen, and blood glucose in order from the least to the greatest based on the amount of energy stored in the body: …..A…..B…..C…..D….. Least greatest Adipose tissue triglyceride

Introduction to Sports Nutrition

Defining and Measuring Energy

Carbohydrates

Proteins

Fats

Water and Electrolytes

Vitamins

Minerals

Diet Planning: Food First, Supplements Second

Weight and Body Composition

Disordered Eating and Exercise Patterns in Athletes

Diet and Exercise for Lifelong Fitness and Health

Filters