Question 1

The immediate source of energy for all body processes, including muscle contraction, is

Accepted Answer

A)  muscle glycogen. 
B)  adenosine triphosphate. 
C)  phosphocreatine. 
D)  both ATP and PC.

Question 2

A type I muscle fiber

Accepted Answer

A)  is called a slow-twitch red fiber. 
B)  can produce energy primarily by anaerobic processes. 
C)  is also referred to as FOG. 
D)  All of these statements apply to type I muscle fibers.

Question 3

It is relatively simple to predict your exact metabolic rate from your exercise heart rate, if a basic
formula is followed.

Accepted Answer

A) True 
 B)False

Question 4

BMR represents the BEE over a 24 hours period.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following energy sources found in the human body represents the LOWEST storage of potential energy in the form of total Calories?

Accepted Answer

A)  muscle protein 
B)  liver glycogen 
C)  muscle glycogen 
D)  adipose tissue triglycerides 
E)  blood glucose

Question 6

In the average sedentary individual, approximately what percentage of the total daily energy expenditure (TDEE) is determined by the basal energy expenditure (BEE)?

Accepted Answer

A)  less than 10 
B)  10-20 
C)  30-40 
D)  40-50 
E)  greater than 50

Question 7

The oxygen system

Accepted Answer

A)  produces ATP in rather large quantities from other energy sources in the body. 
B)  involves aerobic processing of carbohydrates to some extent, with major utilization of protein. 
C)  is used primarily in sports that demand strenuous exercise. 
D)  depends upon reactions that occur in the nucleus of the cell.

Question 8

Approximately how many Calories will a 150-pound individual use while jogging a mile?

Accepted Answer

A)  70 
B)  110 
C)  145 
D)  200 
E)  250

Question 9

The lactic acid system predominates in short, powerful bursts of muscular activity.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements relative to exercise and metabolic rate is FALSE?

Accepted Answer

A)  the intensity of the exercise is the most important factor to increase the metabolic rate 
B)  increased efficiency for swimming a set distance will decrease the energy cost 
C)  a heavier, inefficient runner will burn fewer Calories running a mile than a lighter runner 
D)  oxygen consumption and heart rate are two ways to monitor the metabolic rate 
E)  walking a mile slowly uses fewer Calories than running a mile

Question 11

Which of the following sport events would rely on the lactic acid system for most of the energy production?

Accepted Answer

A)  Competitive weight lifting 
B)  The 100 meter dash 
C)  The 800 meter run 
D)  A 5 kilometer run

Question 12

When participating in very mild aerobic activities, which of the following will lead to fatigue in very prolonged bouts?

Accepted Answer

A)  Diminishing carbohydrate levels. 
B)  Low blood-sugar levels. 
C)  Low stores of fat. 
D)  All of these answers will lead to fatigue.

Question 13

On a mixed diet of carbohydrate, protein, and fat, what percent of the energy expenditure at rest is derived from fat?

Accepted Answer

A)  60 percent 
B)  50 percent 
C)  40 percent 
D)  30 percent

Question 14

In Europe, the energy value of food is expressed in:

Accepted Answer

A)  milligrams 
B)  ounces 
C)  Calories 
D)  kilojoules 
E)  micrograms

Question 15

The resting energy expenditure is

Accepted Answer

A)  increased when the ratio of body surface area to body weight is decreased. 
B)  higher during adolescence than during adulthood. 
C)  decreased when an individual is exposed to the cold. 
D)  25 percent lower for a female when compared to that of a male.

Question 16

As a nutritional coach, you are evaluating the TDEE and the BEE of a 25 years old female student over a 24 hours period. Her PAL ratio was 2.1, based on your knowledge, her PAL belongs to which of the following categories?

Accepted Answer

A)  Low active 
B)  Sedentary 
C)  Active 
D)  Very active

Question 17

Which of the following classifications of physical activity is rated as light, mild aerobic exercise because it is likely to burn less than 5 Calories per minute?

Accepted Answer

A)  competitive racquetball 
B)  running at a speed of 7 miles per hour 
C)  walking at a speed of 2.0 miles per hour 
D)  competitive singles tennis 
E)  bicycling at a speed of 18 miles per hour

Question 18

At high walking speeds, you may possibly expend more energy than if you jogged at the same
speed.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is an example of catabolism?

Accepted Answer

A)  Increased muscle mass gained through weight training 
B)  Constructive metabolism 
C)  The changing of muscle glycogen to muscle glucose 
D)  The better use of oxygen following endurance training

Question 20

In very high-intensity exercise, lasting only one or two minutes, the probable cause of fatigue is

Accepted Answer

A)  a depletion of phosphocreatine. 
B)  a depletion of carbohydrate stores. 
C)  loss of lipid reserves. 
D)  disruption of cellular metabolism caused by the accumulation of hydrogen ions.

Exam 3: Human Energy

The immediate source of energy for all body processes, including muscle contraction, is

A type I muscle fiber

It is relatively simple to predict your exact metabolic rate from your exercise heart rate, if a basic formula is followed.

BMR represents the BEE over a 24 hours period.

Which of the following energy sources found in the human body represents the LOWEST storage of potential energy in the form of total Calories?

In the average sedentary individual, approximately what percentage of the total daily energy expenditure (TDEE) is determined by the basal energy expenditure (BEE) ?

The oxygen system

Approximately how many Calories will a 150-pound individual use while jogging a mile?

The lactic acid system predominates in short, powerful bursts of muscular activity.

Which of the following statements relative to exercise and metabolic rate is FALSE?

Which of the following sport events would rely on the lactic acid system for most of the energy production?

When participating in very mild aerobic activities, which of the following will lead to fatigue in very prolonged bouts?

On a mixed diet of carbohydrate, protein, and fat, what percent of the energy expenditure at rest is derived from fat?

In Europe, the energy value of food is expressed in:

The resting energy expenditure is

As a nutritional coach, you are evaluating the TDEE and the BEE of a 25 years old female student over a 24 hours period. Her PAL ratio was 2.1, based on your knowledge, her PAL belongs to which of the following categories?

Which of the following classifications of physical activity is rated as light, mild aerobic exercise because it is likely to burn less than 5 Calories per minute?

At high walking speeds, you may possibly expend more energy than if you jogged at the same speed.

Which of the following is an example of catabolism?

In very high-intensity exercise, lasting only one or two minutes, the probable cause of fatigue is