Question 1

Athletes should not take iron supplements unless prescribed by a health care professional.

Accepted Answer

A) True 
 B)False

Question 2

Describe the optimal diet for an athlete.

Accepted Answer

The optimal diet for an athlete should i

Question 3

After about three seconds of exercise, which substance is broken down to help regenerate ATP?

Accepted Answer

A) glucose 
B) pyruvic acid 
C) creatine phosphate (CP) 
D) lactic acid 
A) glucose 
B) pyruvic acid 
C) creatine phosphate (CP) 
D) lactic acid

Question 4

What is the cause of sports anemia?

Accepted Answer

A) low blood hemoglobin levels 
B) poor dietary intake of iron-rich foods 
C) increased plasma volume due to training 
D) dehydration 
A) low blood hemoglobin levels 
B) poor dietary intake of iron-rich foods 
C) increased plasma volume due to training 
D) dehydration

Question 5

Some athletes believe that caffeine can enhance athletic performance because it has been shown to

Accepted Answer

A) increase muscle flexibility and strength. 
B) increase the use of fatty acids as a fuel source. 
C) regenerate ATP for energy. 
D) increase the transport of amino acids to exercising muscle. 
A) increase muscle flexibility and strength. 
B) increase the use of fatty acids as a fuel source. 
C) regenerate ATP for energy. 
D) increase the transport of amino acids to exercising muscle.

Question 6

Creatine use is permitted by collegiate and professional sports organizations.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is FALSE concerning aerobic metabolism?

Accepted Answer

A) Its by-products are carbon dioxide and water. 
B) It leads to muscle fatigue. 
C) It provides fuel for low-intensity exercise. 
D) It supplies more energy than anaerobic exercise. 
A) Its by-products are carbon dioxide and water. 
B) It leads to muscle fatigue. 
C) It provides fuel for low-intensity exercise. 
D) It supplies more energy than anaerobic exercise.

Question 8

Fatty-acid molecules provide MOST of the energy for

Accepted Answer

A) high-intensity, short-term activity. 
B) long-term activity such as hiking. 
C) participation in a marathon. 
D) sprinting in a 1500-meter race. 
A) high-intensity, short-term activity. 
B) long-term activity such as hiking. 
C) participation in a marathon. 
D) sprinting in a 1500-meter race.

Question 9

Studies demonstrate that supplements of androstenedione and dehydroepiandrosterone (DHEA) are effective in raising testosterone concentrations in the body.

Accepted Answer

A) True 
 B)False

Question 10

Why are the B vitamins especially important to an athlete?

Accepted Answer

A) Carbohydrates are a poor source of the B vitamins. 
B) During exercise large amounts of the B vitamins are lost in the urine. 
C) The B vitamins are directly involved in energy metabolism. 
D) Active athletes cannot eat a sufficient amount of calories to meet the RDAs for the B vitamins. 
A) Carbohydrates are a poor source of the B vitamins. 
B) During exercise large amounts of the B vitamins are lost in the urine. 
C) The B vitamins are directly involved in energy metabolism. 
D) Active athletes cannot eat a sufficient amount of calories to meet the RDAs for the B vitamins.

Question 11

During exercise, what source(s) of energy is/are used by the body for glucose?

Accepted Answer

A) glycogen stored in muscles 
B) glucose found in bones 
C) fatty acids stored in adipose tissue 
D) protein found in blood 
A) glycogen stored in muscles 
B) glucose found in bones 
C) fatty acids stored in adipose tissue 
D) protein found in blood

Question 12

The major fuel source used by the working muscle during long-duration physical activity is

Accepted Answer

A) amino acids. 
B) fatty acids. 
C) glycogen. 
D) glucose. 
A) amino acids. 
B) fatty acids. 
C) glycogen. 
D) glucose.

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

Athletes should not take iron supplements unless prescribed by a health care professional.

Describe the optimal diet for an athlete.

After about three seconds of exercise, which substance is broken down to help regenerate ATP?

What is the cause of sports anemia?

Some athletes believe that caffeine can enhance athletic performance because it has been shown to

Creatine use is permitted by collegiate and professional sports organizations.

Which of the following is FALSE concerning aerobic metabolism?

Fatty-acid molecules provide MOST of the energy for

Studies demonstrate that supplements of androstenedione and dehydroepiandrosterone (DHEA) are effective in raising testosterone concentrations in the body.

Why are the B vitamins especially important to an athlete?

During exercise, what source(s) of energy is/are used by the body for glucose?

The major fuel source used by the working muscle during long-duration physical activity is

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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