Question 1

According to the 2018 Physical Activity Guidelines, what is the minimum recommended amount of moderate-intensity aerobic physical activity per week for substantial health benefits?

Accepted Answer

$$150$$ minutes

Question 2

Which of the following is a long-term benefit of regular exercise that is most directly related to improved immune system function?

Accepted Answer

Improved immunity

Question 3

A 45-year-old adult wants to maximize the health benefits of exercise. According to the guidelines, what should they do for more extensive benefits?

Accepted Answer

Double the amount of recommended physical activity to $$300$$ minutes of moderate-intensity aerobic activity per week

Question 4

Which of the following statements about the relationship between exercise and physical health is correct?

Accepted Answer

Aerobic exercises improve cardiorespiratory function by strengthening heart muscles and improving oxygen intake.

Question 5

Which of the following is NOT a benefit of regular exercise?

Accepted Answer

Regular exercise is associated with an increased risk of cognitive impairment.

Question 6

Sam has been lifting weights since he was a teenager. Which of the following health benefits could be specifically attributed to weight-bearing exercise?

Accepted Answer

Stronger bones

Question 7

Which of the following is a mental health benefit of regular exercise?

Accepted Answer

Reduced risk of depression

Question 8

A person who wants to reduce their risk of type 2 diabetes should focus on which type of exercise?

Accepted Answer

Aerobic exercise

Question 9

Which of the following is a correct statement about the 2018 Physical Activity Guidelines for Americans?

Accepted Answer

Adults should engage in muscle-strengthening activities on $$2 or $$more days per week.

Question 10

If a person wants to improve both their cardiovascular fitness and bone strength, which combination of activities would best achieve this goal?

Accepted Answer

Engaging in both aerobic exercise and muscle-strengthening activities

Question 11

Which of the following is a plausible mechanism by which regular exercise can lower the risk of certain cancers?

Accepted Answer

Exercise reduces inflammation and improves immune surveillance, which may help prevent cancer cell growth.

Question 12

A 35-year-old woman wants to improve her mental health and reduce her risk of depression. Which type of physical activity is most likely to help her achieve these goals?

Accepted Answer

Regular aerobic exercise

Question 13

Which of the following is a direct benefit of improved cardiorespiratory fitness?

Accepted Answer

Stronger heart muscles and increased oxygen intake

Question 14

If an adult wants to achieve both substantial and more extensive health benefits, what is the total recommended weekly amount of moderate-intensity aerobic activity?

Accepted Answer

$$300$$ minutes

Question 15

Which of the following is a benefit of exercise that is most likely to help prevent osteoporosis in older adults?

Accepted Answer

Increased bone density

Question 16

A person who spends most of their day sitting at a desk wants to improve their health. According to the guidelines, what is the most important change they should make?

Accepted Answer

Reduce sedentary activities and increase physical activity

Question 17

Which of the following is a real-world example of how exercise can improve quality of life?

Accepted Answer

A person who exercises regularly is able to perform daily activities with less fatigue and greater independence.

Question 18

Which of the following best explains why muscle-strengthening activities are recommended at least twice per week for adults?

Accepted Answer

They help maintain or increase muscle mass and bone density.

Question 19

Which of the following is a plausible but incorrect statement about the health benefits of exercise?

Accepted Answer

Exercise is associated with a lower risk of depression.

Question 20

A 60-year-old man wants to reduce his risk of heart disease and improve his overall health. Which combination of activities would best help him achieve these goals according to the guidelines?

Accepted Answer

Engaging in both aerobic and muscle-strengthening activities regularly

Health Benefits of Exercise: Guidelines and Long-Term Effects

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