1. Chapter 14: Nutrition and Physical Activity: Keys to Good Health
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2. Regular physical activity
increases our ability to carry out daily tasks with vigor and alertness, without undue fatigue.
reduces our risk for cancer.
can be an effective treatment for severe depression.
all of the above.
Answer: a) increases our ability to carry out daily tasks with vigor and alertness, without undue fatigue.
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3. Regular physical activity
increases our ability to carry out daily tasks with vigor and alertness, without undue fatigue.
reduces our risk for cancer.
can be an effective treatment for severe depression.
all of the above.
Answer: a) increases our ability to carry out daily tasks with vigor and alertness, without undue fatigue.
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4. The four components of physical fitness are
aerobic capacity, resistance, strength, and flexibility.
aerobic fitness, strength and tone, flexibility, and lean body mass.
cardiorespiratory fitness, musculoskeletal fitness, flexibility, and body composition.
cardiovascular fitness, respiratory fitness, musculoskeletal fitness, and chronic disease resistance.
Answer: c) cardiorespiratory fitness, musculoskeletal fitness, flexibility, and body composition.
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5. The four components of physical fitness are
aerobic capacity, resistance, strength, and flexibility.
aerobic fitness, strength and tone, flexibility, and lean body mass.
cardiorespiratory fitness, musculoskeletal fitness, flexibility, and body composition.
cardiovascular fitness, respiratory fitness, musculoskeletal fitness, and chronic disease resistance.
Answer: c) cardiorespiratory fitness, musculoskeletal fitness, flexibility, and body composition.
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6. Terence is a 32-year-old software engineer
Terence is a 32-year-old software engineer. He has not been regularly active since high school, but now wants to join the walking program at work in order to improve his health. Following the 2008 Physical Activity Guidelines for Americans, Terence should walk
for 30 minutes most days of the week.
for 60 minutes a day.
for at least 150 minutes a week.
for 150 minutes a day.
Answer: c) for at least 150 minutes a week.
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7. Terence is a 32-year-old software engineer
Terence is a 32-year-old software engineer. He has not been regularly active since high school, but now wants to join the walking program at work in order to improve his health. Following the 2008 Physical Activity Guidelines for Americans, Terence should walk
for 30 minutes most days of the week.
for 60 minutes a day.
for at least 150 minutes a week.
for 150 minutes a day.
Answer: c) for at least 150 minutes a week.
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8. A sound fitness program
requires a preliminary assessment by a cardiopulmonary specialist.
begins with an initiation phase, during which you exercise at moderate intensity for at least 30 minutes a day.
promotes muscle atrophy.
includes a cool-down period to help prevent injury and muscle soreness.
Answer: d) includes a cool-down period to help prevent injury and muscle soreness.
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9. A sound fitness program
requires a preliminary assessment by a cardiopulmonary specialist.
begins with an initiation phase, during which you exercise at moderate intensity for at least 30 minutes a day.
promotes muscle atrophy.
includes a cool-down period to help prevent injury and muscle soreness.
Answer: d) includes a cool-down period to help prevent injury and muscle soreness.
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10. To achieve moderate-intensity physical activity, your target heart rate should be
30% to 60% of your estimated maximal heart rate.
50% to 70% of your estimated maximal heart rate.
70% to 85% of your estimated maximal heart rate.
80% to 95% of your estimated maximal heart rate.
Answer: b) 50% to 70% of your estimated maximal heart rate.
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11. To achieve moderate-intensity physical activity, your target heart rate should be
30% to 60% of your estimated maximal heart rate.
50% to 70% of your estimated maximal heart rate.
70% to 85% of your estimated maximal heart rate.
80% to 95% of your estimated maximal heart rate.
Answer: b) 50% to 70% of your estimated maximal heart rate.
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12. The amount of ATP stored in a muscle cell can keep it active for
about 1 to 3 seconds.
up to 15 seconds.
up to 15 minutes.
about 1 to 3 hours.
Answer: a) about 1 to 3 seconds.
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13. The amount of ATP stored in a muscle cell can keep it active for
about 1 to 3 seconds.
up to 15 seconds.
up to 15 minutes.
about 1 to 3 hours.
Answer: a) about 1 to 3 seconds.
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14. Which of the following protein intake levels would be most appropriate, on average, for athletes who train five to seven times a week for more than an hour a day?
0.8 g/kg body weight.
1.0 g/kg body weight.
1.8 g/kg body weight.
2.8 g/kg body weight.
Answer: c) 1.8 g/kg body weight.
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15. Which of the following protein intake levels would be most appropriate, on average, for athletes who train five to seven times a week for more than an hour a day?
0.8 g/kg body weight.
1.0 g/kg body weight.
1.8 g/kg body weight.
2.8 g/kg body weight.
Answer: c) 1.8 g/kg body weight.
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16. Which of the following statements about carbohydrate loading is true?
It supports activities across a wide range of intensities, including baseball and marathon running.
It concludes with 20 minutes of vigorous training and a carbohydrate intake of 20 g/kg body weight the day before the competition.
It involves altering both exercise duration and carbohydrate intake to maximize the amount of muscle glycogen.
It is consistently shown to improve endurance performance.
Answer: c) It involves altering both exercise duration and carbohydrate intake to maximize the amount of muscle glycogen.
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17. Which of the following statements about carbohydrate loading is true?
It supports activities across a wide range of intensities, including baseball and marathon running.
It concludes with 20 minutes of vigorous training and a carbohydrate intake of 20 g/kg body weight the day before the competition.
It involves altering both exercise duration and carbohydrate intake to maximize the amount of muscle glycogen.
It is consistently shown to improve endurance performance.
Answer: c) It involves altering both exercise duration and carbohydrate intake to maximize the amount of muscle glycogen.
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18. Athletes participating in an intense competition lasting more than 1 hour should drink:
plain, room-temperature water.
a beverage containing carbohydrates and sodium and other electrolytes.
a beverage containing 100% fruit juice.
a beverage containing caffeine.
Answer: b) a beverage containing carbohydrates and sodium and other electrolytes.
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19. Athletes participating in an intense competition lasting more than 1 hour should drink:
plain, room-temperature water.
a beverage containing carbohydrates and sodium and other electrolytes.
a beverage containing 100% fruit juice.
a beverage containing caffeine.
Answer: b) a beverage containing carbohydrates and sodium and other electrolytes.
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20. Dizziness is a common symptom of
dehydration.
heat syncope.
heat exhaustion.
all of the above.
Answer: d) all of the above.
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21. Dizziness is a common symptom of
dehydration.
heat syncope.
heat exhaustion.
all of the above.
Answer: d) all of the above.
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