Question 1

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 2

The process by which more blood flows towards the surface of the skin,allowing heat to be released through sweat,is known as:

Accepted Answer

A) carbohydrate loading. 
B) evaporative cooling. 
C) the overload principle. 
D) dehydration. 
A) carbohydrate loading. 
B) evaporative cooling. 
C) the overload principle. 
D) dehydration.

Question 3

Each day Bill power-walks for 45 minutes.Which fuel source(s)provide(s)energy during this activity?

Accepted Answer

A) amino acids and fatty acids 
B) fatty acids and glucose 
C) amino acids and glucose 
D) glucose only 
A) amino acids and fatty acids 
B) fatty acids and glucose 
C) amino acids and glucose 
D) glucose only

Question 4

The primary end product of glycolysis is:

Accepted Answer

A) adenosine triphosphate (ATP). 
B) creatine phosphate (CP). 
C) lactic acid. 
D) pyruvate. 
A) adenosine triphosphate (ATP). 
B) creatine phosphate (CP). 
C) lactic acid. 
D) pyruvate.

Question 5

Osteoporosis,eating disorders,dehydration,and heat illness are all possible consequences of:

Accepted Answer

A) overtraining. 
B) inadequate dietary intake. 
C) carbohydrate loading. 
D) the Zone Diet. 
A) overtraining. 
B) inadequate dietary intake. 
C) carbohydrate loading. 
D) the Zone Diet.

Question 6

Muscle atrophy results from:

Accepted Answer

A) disuse. 
B) progressive overload. 
C) cellular damage. 
D) regular exercise. 
A) disuse. 
B) progressive overload. 
C) cellular damage. 
D) regular exercise.

Question 7

Define the term ergogenic aid.Discuss the potential benefits and risks of at least four ergogenic aids that are currently on the market.

Accepted Answer

An ergogenic aid is any substance or tec

Question 8

Excessive sweating accompanied by cold and clammy skin,rapid but weak pulse,weakness,nausea,dizziness,headache,and difficulty concentrating are early signs of:

Accepted Answer

A) hypothermia. 
B) heat cramps. 
C) heat syncope. 
D) heat exhaustion. 
A) hypothermia. 
B) heat cramps. 
C) heat syncope. 
D) heat exhaustion.

Question 9

Most athletes do not consume enough protein to support their added physical activity.

Accepted Answer

A) True 
 B)False

Question 10

The Institute of Medicine recommends a minimum of ________ minutes of physical activity each day for adults.

Accepted Answer

A) 15 
B) 30 
C) 45 
D) 60 
A) 15 
B) 30 
C) 45 
D) 60

Question 11

Which of the following is a potential side effect of carbohydrate loading?

Accepted Answer

A) metabolic syndrome 
B) diarrhea 
C) hypoglycemia 
D) night sweats 
A) metabolic syndrome 
B) diarrhea 
C) hypoglycemia 
D) night sweats

Question 12

Which of the following is traditionally used to evaluate the level of intensity of aerobic activity?

Accepted Answer

A) heart rate/pulse 
B) blood glucose level 
C) blood pressure 
D) distance traveled per unit of time (e.g. ,steps per hour) 
A) heart rate/pulse 
B) blood glucose level 
C) blood pressure 
D) distance traveled per unit of time (e.g. ,steps per hour)

Question 13

Which of the following athletes would be LEAST likely to develop iron deficiency?

Accepted Answer

A) a female marathon runner 
B) a male distance swimmer 
C) a male basketball player who is a vegan 
D) a female gymnast 
A) a female marathon runner 
B) a male distance swimmer 
C) a male basketball player who is a vegan 
D) a female gymnast

Question 14

Throughout our day,the body uses carbohydrate and fat as fuel.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following BEST describes a physically fit individual?

Accepted Answer

A) ability to carry out daily activities with vigor and alertness 
B) participation in purposeful,planned,and structured activities 
C) having a low basal metabolic rate 
D) having a high resting heart rate 
A) ability to carry out daily activities with vigor and alertness 
B) participation in purposeful,planned,and structured activities 
C) having a low basal metabolic rate 
D) having a high resting heart rate

Question 16

For older adults and previously inactive individuals,exercise intensity should fall closer to ________ of the maximal heart rate.

Accepted Answer

A) 15% 
B) 50% 
C) 80% 
D) 90% 
A) 15% 
B) 50% 
C) 80% 
D) 90%

Question 17

The four components of physical fitness are body composition,flexibility,cardiorespiratory fitness,and musculoskeletal fitness.

Accepted Answer

A) True 
 B)False

Question 18

An athlete commonly experiences heat cramps in the lower back before a warm-up.

Accepted Answer

A) True 
 B)False

Question 19

To stay healthy,athletes should consume less than 15% of their kilocalories from fat.

Accepted Answer

A) True 
 B)False

Question 20

Training can enhance the ability to store glycogen.

Accepted Answer

A) True 
 B)False

Exam 18: Nutrition and Physical Activity: Keys to Good Health

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

The process by which more blood flows towards the surface of the skin,allowing heat to be released through sweat,is known as:

Each day Bill power-walks for 45 minutes.Which fuel source(s)provide(s)energy during this activity?

The primary end product of glycolysis is:

Osteoporosis,eating disorders,dehydration,and heat illness are all possible consequences of:

Muscle atrophy results from:

Define the term ergogenic aid.Discuss the potential benefits and risks of at least four ergogenic aids that are currently on the market.

Excessive sweating accompanied by cold and clammy skin,rapid but weak pulse,weakness,nausea,dizziness,headache,and difficulty concentrating are early signs of:

Most athletes do not consume enough protein to support their added physical activity.

The Institute of Medicine recommends a minimum of ________ minutes of physical activity each day for adults.

Which of the following is a potential side effect of carbohydrate loading?

Which of the following is traditionally used to evaluate the level of intensity of aerobic activity?

Which of the following athletes would be LEAST likely to develop iron deficiency?

Throughout our day,the body uses carbohydrate and fat as fuel.

Which of the following BEST describes a physically fit individual?

For older adults and previously inactive individuals,exercise intensity should fall closer to ________ of the maximal heart rate.

The four components of physical fitness are body composition,flexibility,cardiorespiratory fitness,and musculoskeletal fitness.

An athlete commonly experiences heat cramps in the lower back before a warm-up.

To stay healthy,athletes should consume less than 15% of their kilocalories from fat.

Training can enhance the ability to store glycogen.

The Science of Nutrition: Linking Food, function, and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

in Depth: Alcohol

Lipids: Essential Energy-Supplying Nutrients

Vitamins and Minerals: Micronutrients With Macro Powers

Phytochemicals

Disordered Eating

Proteins: Crucial Components of All Body Tissues

Metabolism: From Food to Life

Nutrients Involved in Energy Metabolism

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Antioxidant Function and Vision

Nutrients Involved in Bone Health

Nutrients Involved in Blood Health and Immunity

Achieving and Maintaining a Healthful Body Weight

Consumer Issues: Food Safety, Production, and Impact on the Environment

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

Nutrition Through the Life Cycle: Childhood and Adolescence

Nutrition Through the Life Cycle: The Later Years

Global Nutrition

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