Question 1

Children,adolescents,and young with adults have experienced irregular heart rhythms and seizures after consuming

Accepted Answer

A)  creatine powder. 
B)  amino acid supplements. 
C)  carnitine supplements. 
D)  energy drinks. 
A)  creatine powder. 
B)  amino acid supplements. 
C)  carnitine supplements. 
D)  energy drinks.

Question 2

Which of the following statements about carbohydrate loading is FALSE?

Accepted Answer

A)  Carbohydrate loading is appropriate in preparing for endurance activities such as marathons. 
B)  Carbohydrate loading may cause diarrhea. 
C)  Carbohydrate loading maximizes glycogen stores. 
D)  Carbohydrate loading is helpful for moderately intense physical activity to maintain fitness. 
A)  Carbohydrate loading is appropriate in preparing for endurance activities such as marathons. 
B)  Carbohydrate loading may cause diarrhea. 
C)  Carbohydrate loading maximizes glycogen stores. 
D)  Carbohydrate loading is helpful for moderately intense physical activity to maintain fitness.

Question 3

In physical activity lasting less than one hour,the MOST appropriate fluid replacement is

Accepted Answer

A)  plain water. 
B)  orange juice. 
C)  Kool-Aid. 
D)  sports drinks. 
A)  plain water. 
B)  orange juice. 
C)  Kool-Aid. 
D)  sports drinks.

Question 4

Which of the following is NOT TRUE about cool-down exercise after an exercise session?

Accepted Answer

A)  helps to prevent injury 
B)  helps to reduce muscle soreness 
C)  involves stretching 
D)  causes fatigue 
A)  helps to prevent injury 
B)  helps to reduce muscle soreness 
C)  involves stretching 
D)  causes fatigue

Question 5

The amount of ATP stored in muscles is unlimited.

Accepted Answer

A) True 
 B)False

Question 6

Muscle tissue contains enough creatine phosphate (CP)to sustain physical activity for 10 to 15 minutes.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

During the first 3 seconds of a sprint,an athlete does not burn any carbohydrate.

Accepted Answer

A) True 
 B)False

Question 9

Glycolysis can be sustained only for a brief period of time,generally for less than 3 minutes.

Accepted Answer

A) True 
 B)False

Question 10

Where in the body do we find the greatest storage of potential energy to fuel long-term activities?

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

Because carbohydrate loading is not associated with adverse effects,it is recommended for most athletes.

Accepted Answer

A) True 
 B)False

Question 12

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 13

The increase in muscle strength and size that occurs with strength training is known as

Accepted Answer

A)  atrophy. 
B)  hypertrophy. 
C)  flexibility. 
D)  resistance. 
A)  atrophy. 
B)  hypertrophy. 
C)  flexibility. 
D)  resistance.

Question 14

Which of the following is one of the ways in which regular physical activity can reduce the risks for heart disease,stroke,and high blood pressure?

Accepted Answer

A)  It increases the size of the heart. 
B)  It helps increase the viscosity of the blood. 
C)  It raises triglyceride levels in the blood. 
D)  It limits the progression of atherosclerosis. 
A)  It increases the size of the heart. 
B)  It helps increase the viscosity of the blood. 
C)  It raises triglyceride levels in the blood. 
D)  It limits the progression of atherosclerosis.

Question 15

Which of the following is recommended to ensure adequate hydration after completing an exercise session?

Accepted Answer

A)  Drink about 1 cup of fluid per pound of body weight lost. 
B)  Drink a caffeinated beverage to restore electrolytes. 
C)  Consume fluids with a mix of water and sodium. 
D)  Consume 75-100% of fluid lost during exercise. 
A)  Drink about 1 cup of fluid per pound of body weight lost. 
B)  Drink a caffeinated beverage to restore electrolytes. 
C)  Consume fluids with a mix of water and sodium. 
D)  Consume 75-100% of fluid lost during exercise.

Question 16

Petra is a long-distance track athlete who would like to optimize her glycogen stores.If she weighs 132 pounds,what is the minimum amount of carbohydrate she should consume daily to achieve this goal?

Accepted Answer

A)  132 grams 
B)  290 grams 
C)  360 grams 
D)  600 grams 
A)  132 grams 
B)  290 grams 
C)  360 grams 
D)  600 grams

Question 17

The currency of energy for most cells in the body is ATP.

Accepted Answer

A) True 
 B)False

Question 18

The intensity of a physical activity is defined as

Accepted Answer

A)  the amount of effort expended. 
B)  how long a training session lasts. 
C)  how often a training session occurs. 
D)  the availability of ATP for energy. 
A)  the amount of effort expended. 
B)  how long a training session lasts. 
C)  how often a training session occurs. 
D)  the availability of ATP for energy.

Question 19

Which of the following BEST describes how ATP provides energy to the body's cells?

Accepted Answer

A)  Energy is released when a phosphate group is cleaved from the ATP molecule. 
B)  Energy is released when a phosphate group binds to ADP. 
C)  Energy is released when ATP is transported out of the cell membrane. 
D)  Energy is released when the bond is broken between adenosine and its tri-phosphate chain. 
A)  Energy is released when a phosphate group is cleaved from the ATP molecule. 
B)  Energy is released when a phosphate group binds to ADP. 
C)  Energy is released when ATP is transported out of the cell membrane. 
D)  Energy is released when the bond is broken between adenosine and its tri-phosphate chain.

Question 20

Lactic acid is produced during both aerobic and anaerobic conditions.

Accepted Answer

A) True 
 B)False

Exam 11: Nutrition and Physical Activity: Keys to Good Health

Children,adolescents,and young with adults have experienced irregular heart rhythms and seizures after consuming

Which of the following statements about carbohydrate loading is FALSE?

In physical activity lasting less than one hour,the MOST appropriate fluid replacement is

Which of the following is NOT TRUE about cool-down exercise after an exercise session?

The amount of ATP stored in muscles is unlimited.

Muscle tissue contains enough creatine phosphate (CP)to sustain physical activity for 10 to 15 minutes.

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

During the first 3 seconds of a sprint,an athlete does not burn any carbohydrate.

Glycolysis can be sustained only for a brief period of time,generally for less than 3 minutes.

Where in the body do we find the greatest storage of potential energy to fuel long-term activities?

Because carbohydrate loading is not associated with adverse effects,it is recommended for most athletes.

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

The increase in muscle strength and size that occurs with strength training is known as

Which of the following is one of the ways in which regular physical activity can reduce the risks for heart disease,stroke,and high blood pressure?

Which of the following is recommended to ensure adequate hydration after completing an exercise session?

Petra is a long-distance track athlete who would like to optimize her glycogen stores.If she weighs 132 pounds,what is the minimum amount of carbohydrate she should consume daily to achieve this goal?

The currency of energy for most cells in the body is ATP.

The intensity of a physical activity is defined as

Which of the following BEST describes how ATP provides energy to the body's cells?

Lactic acid is produced during both aerobic and anaerobic conditions.

Nutrition: Linking Food and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Essential to Key Body Functions

Nutrients Essential to Healthy Tissues

Achieving and Maintaining a Healthful Body Weight

Food Safety and Technology: Protecting Our Food

Food Equity,Sustainability,and Quality: The Challenge of Good Food

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

Nutrition Through the Lifecycle: Childhood to Late Adulthood

New Frontiers in Nutrition and Health

Healthful Eating Patterns

Disorders Related to Specific Foods

Diabetes

Cardiovascular Disease

Vitamins and Minerals: Micronutrients With Macro Powers

Alcohol

Cancer

Osteoporosis

Obesity

Disorders Related to Body Image, Eating, and Exercise

The Safety and Effectiveness of Dietary Supplements

Malnutrition

The Fetal Environment

Searching for the Fountain of Youth

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