Question 1

Describe the optimal diet for an athlete.

Accepted Answer

The optimal diet for an athlete should i...

Question 2

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.E) B) and C)
F) B) and D)

Question 3

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.E) A) and B)
F) None of the above

Question 4

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 5

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.E) A) and B)
F) All of the above

Question 6

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 acidE) A) and C)
F) B) and C)

Question 7

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)  dehydrationE) A) and B)
F) C) and D)

Question 8

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.E) None of the above
F) A) and B)

Question 9

Creatine use is permitted by collegiate and professional sports organizations.

Accepted Answer

A) True 
 B)False

Question 10

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 bloodE) A) and D)
F) A) and C)

Question 11

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.E) A) and D)
F) B) and C)

Question 12

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

Accepted Answer

A) True 
 B)False

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

Fatty-acid molecules provide MOST of the energy for

Correct Answer
verified

Which of the following is FALSE concerning aerobic metabolism?

Correct Answer
verified

What is the cause of sports anemia?

Correct Answer
verified

Creatine use is permitted by collegiate and professional sports organizations.

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Why are the B vitamins especially important to an athlete?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Describe the optimal diet for an athlete.

Correct Answer
Answered by ExamLex AI
The optimal diet for an athlete should i...
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Athletes should not take iron supplements unless prescribed by a health care professional.

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

Fatty-acid molecules provide MOST of the energy for

Correct AnswerverifiedShow Answer

Which of the following is FALSE concerning aerobic metabolism?

Correct AnswerverifiedShow Answer

What is the cause of sports anemia?

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Creatine use is permitted by collegiate and professional sports organizations.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Why are the B vitamins especially important to an athlete?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Describe the optimal diet for an athlete.

Correct AnswerAnswered by ExamLex AIThe optimal diet for an athlete should i...View AnswerShow Answer

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

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Correct Answer
Answered by ExamLex AI
The optimal diet for an athlete should i...
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