Question 1

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

Question 2

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

Accepted Answer

A) True 
 B)False  True

Question 3

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

Question 4

The primary way the body loses heat is through

Accepted Answer

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

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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

Question 8

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 9

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.

Question 10

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

Question 11

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. B

Question 12

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

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

Question 14

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

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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.

Question 17

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

Question 18

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 19

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.

Question 20

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

Accepted Answer

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

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

The primary way the body loses heat is through

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

The FIT principle is

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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