Question 1

The combination of heart, lungs, and circulatory system that supplies oxygen and nutrients to working muscles is known as the

Accepted Answer

A) cardiorespiratory system. 
B) musculoskeletal system. 
C) enteric nervous system. 
D) central nervous system. 
A) cardiorespiratory system. 
B) musculoskeletal system. 
C) enteric nervous system. 
D) central nervous system. A

Question 2

The FIT principle is

Accepted Answer

A) the level of fitness one should achieve according to one's age. 
B) the principle that a good physical fitness program should be based on frequency, intensity, and time. 
C) a method to determine your fitness level based on your target heart rate. 
D) a method to determine fitness based on flexibility and muscle strength. 
A) the level of fitness one should achieve according to one's age. 
B) the principle that a good physical fitness program should be based on frequency, intensity, and time. 
C) a method to determine your fitness level based on your target heart rate. 
D) a method to determine fitness based on flexibility and muscle strength. B

Question 3

When a phosphate group is cleaved from ATP, energy is released.

Accepted Answer

A) True 
 B)False  True

Question 4

The best way to stimulate growth of skeletal muscle is to eat a high-protein diet.

Accepted Answer

A) True 
 B)False

Question 5

Describe how the body uses carbohydrate, protein, and fat during physical activity.

Accepted Answer

The answer of Describe how the body uses carbohydrate, protein,...

Question 6

Which of the following is NOT a long-term, irreversible effect of steroid use?

Accepted Answer

A) liver damage 
B) delayed closure of the growth plates of the long bones 
C) severe acne 
D) infertility 
A) liver damage 
B) delayed closure of the growth plates of the long bones 
C) severe acne 
D) infertility

Question 7

Placing an extra physical demand on the body to improve the fitness level is called

Accepted Answer

A) the overload principle. 
B) carbohydrate loading. 
C) ergogenic training. 
D) lactic-acid loading. 
A) the overload principle. 
B) carbohydrate loading. 
C) ergogenic training. 
D) lactic-acid loading.

Question 8

Intensity of aerobic activities should be at least 110% of maximal heart rate.

Accepted Answer

A) True 
 B)False

Question 9

Lactic acid is an important intermediate of glucose breakdown, playing a critical role in supplying fuel to the working muscle, heart, and resting tissues.

Accepted Answer

A) True 
 B)False

Question 10

Where in the body do we find the greatest storage of potential energy?

Accepted Answer

A) muscle glycogen 
B) blood glucose 
C) muscle protein 
D) body fat 
A) muscle glycogen 
B) blood glucose 
C) muscle protein 
D) body fat

Question 11

The primary way the body loses heat is through

Accepted Answer

A) urine. 
B) feces. 
C) sweating. 
D) respiration. 
A) urine. 
B) feces. 
C) sweating. 
D) respiration.

Question 12

Most athletes consume sufficient dietary protein to support their physical activity.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is NOT a side effect of carbohydrate loading?

Accepted Answer

A) water retention 
B) gastrointestinal distress 
C) diarrhea 
D) improved performance 
A) water retention 
B) gastrointestinal distress 
C) diarrhea 
D) improved performance

Question 14

When oxygen is scarce, cellular pyruvic acid will be converted to

Accepted Answer

A) glucose. 
B) ATP. 
C) lactic acid. 
D) fatty acids. 
A) glucose. 
B) ATP. 
C) lactic acid. 
D) fatty acids.

Question 15

The amount of ATP produced in glycolysis can maintain exercise for no more than how many minutes?

Accepted Answer

A) 10 
B) 3 
C) 30 
D) 60 
A) 10 
B) 3 
C) 30 
D) 60

Question 16

To achieve moderate intensity physical activity, the Centers for Disease Control and Prevention (CDC) recommends a target heart rate range of what percentage of an individual's maximal heart rate?

Accepted Answer

A) 50 to 55 percent 
B) 50 to 70 percent 
C) 50 to 65 percent 
D) 50 to 80 percent 
A) 50 to 55 percent 
B) 50 to 70 percent 
C) 50 to 65 percent 
D) 50 to 80 percent

Question 17

Jorge is a weight lifter who believes that consuming large amounts of protein-rich foods will increase his muscle mass. Which of the following statements is TRUE regarding Jorge's protein needs?

Accepted Answer

A) It is a good practice for Jorge to consume a minimum of 2 grams of protein/kilogram of body weight to increase his muscle mass. 
B) Jorge cannot meet his protein needs without taking protein supplements. 
C) It is impossible for Jorge to get adequate amounts of protein without eating meat, fish, and poultry. 
D) Jorge can meet his protein needs by consuming a healthy, balanced diet that is calorically sufficient to meet his activity level. 
A) It is a good practice for Jorge to consume a minimum of 2 grams of protein/kilogram of body weight to increase his muscle mass. 
B) Jorge cannot meet his protein needs without taking protein supplements. 
C) It is impossible for Jorge to get adequate amounts of protein without eating meat, fish, and poultry. 
D) Jorge can meet his protein needs by consuming a healthy, balanced diet that is calorically sufficient to meet his activity level.

Question 18

The 2005 Institute of Medicine's recommendation of 60 minutes each day is based on the amount of exercise needed to

Accepted Answer

A) maintain a healthy body mass index. 
B) lose 1/2 pound a week until a healthy BMI is reached. 
C) decrease the risk of developing type 2 diabetes. 
D) maintain blood pressure within normal levels. 
A) maintain a healthy body mass index. 
B) lose 1/2 pound a week until a healthy BMI is reached. 
C) decrease the risk of developing type 2 diabetes. 
D) maintain blood pressure within normal levels.

Question 19

Which of the following is NOT a reason fat becomes an energy source for trained athletes?

Accepted Answer

A) increases the number and activity of various enzymes involved in fat metabolism 
B) improves the ability of muscles to store fat 
C) improves the ability to extract fat from the blood during exercise 
D) replaces carbohydrates as an energy source during prolonged, intense training 
A) increases the number and activity of various enzymes involved in fat metabolism 
B) improves the ability of muscles to store fat 
C) improves the ability to extract fat from the blood during exercise 
D) replaces carbohydrates as an energy source during prolonged, intense training

Question 20

Warm-up exercises prepare the muscles for exertion by increasing blood flow and temperature.

Accepted Answer

A) True 
 B)False

Exam 12: Nutrition and Physical Activity: Keys to Good Health

The combination of heart, lungs, and circulatory system that supplies oxygen and nutrients to working muscles is known as the

The FIT principle is

When a phosphate group is cleaved from ATP, energy is released.

The best way to stimulate growth of skeletal muscle is to eat a high-protein diet.

Describe how the body uses carbohydrate, protein, and fat during physical activity.

Which of the following is NOT a long-term, irreversible effect of steroid use?

Placing an extra physical demand on the body to improve the fitness level is called

Intensity of aerobic activities should be at least 110% of maximal heart rate.

Lactic acid is an important intermediate of glucose breakdown, playing a critical role in supplying fuel to the working muscle, heart, and resting tissues.

Where in the body do we find the greatest storage of potential energy?

The primary way the body loses heat is through

Most athletes consume sufficient dietary protein to support their physical activity.

Which of the following is NOT a side effect of carbohydrate loading?

When oxygen is scarce, cellular pyruvic acid will be converted to

The amount of ATP produced in glycolysis can maintain exercise for no more than how many minutes?

To achieve moderate intensity physical activity, the Centers for Disease Control and Prevention (CDC) recommends a target heart rate range of what percentage of an individual's maximal heart rate?

Jorge is a weight lifter who believes that consuming large amounts of protein-rich foods will increase his muscle mass. Which of the following statements is TRUE regarding Jorge's protein needs?

The 2005 Institute of Medicine's recommendation of 60 minutes each day is based on the amount of exercise needed to

Which of the following is NOT a reason fat becomes an energy source for trained athletes?

Warm-up exercises prepare the muscles for exertion by increasing blood flow and temperature.

The Role of Nutrition in Our Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Disorders Related to Specific Foods

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Antioxidant Function

Nutrients Involved in Bone Health

Nutrients Involved in Energy Metabolism and Blood Health

Achieving and Maintaining a Healthful Body Weight

Food Safety and Technology: Impact on Consumers

Nutrition Through the Lifecycle: Pregnancy and the First Year of Life

Nutrition Through the Lifecycle: Childhood to Late Adulthood

Alcohol

Phytochemicals

My Plate

Carbohydrates: Plant-Derived Energy Nutrients

Diabetes

Cardiovascular Disease

Vitamins and Minerals: Micronutrients With Macro Powers

Fluid Imbalance

Cancer

Osteoporosis

Dietary Supplements: Necessity or Waste

Obesity

Disordered Eating

Global Nutrition

the Fetal Environment: a Lasting Impression

Searching for the Fountain of Youth

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