41.The Physical Activity Guidelines for Americans recommend that adults:
a.perform muscle-strengthening activities of moderate to high intensity 2 or more days a week.
b.include at least 150 minutes of vigorous aerobic activity per week.
c.use stretching activities to increase muscle strength.
d.schedule sessions of at least 20 minutes each for health benefits.
42.Which statement about the best way to schedule daily physical activity is accurate?
a.You can achieve weight loss with 30 minutes a day of physical activity.
b.Daily physical activity goals must be met within one continuous session.
c.Strength training must be done every day.
d.Moderate-intensity activity can be divided into smaller sessions throughout the day.
43.When designing a fitness routine that is intended to help muscles gain strength and size, what must you consider?
a.You should work the same muscle group every day to strengthen it.
b.Aerobic activity will detract from muscle building.
c.Muscles need a day or two of rest to refuel and repair.
d.You only need to do stretching exercises before strength training.
44.A benefit of resistance training is that:
a.high resistance and few repetitions build strength without bulk.
b.it prevents weight loss with reduced calorie intakes.
c.women will be able to greatly increase bulk in their muscles.
d.training will reduce 24-hour energy expenditure.
45.A woman wants to begin a weight training program. What advice would you give her?
a.She needs to be careful that she doesn’t lose lean body tissue.
b.It would be a good way to strengthen and firm her muscles.
c.She needs to limit her workouts so she doesn’t develop bulky muscles.
d.Her energy expenditure may slow down, causing weight gain.
46.Researchers measure cardiovascular fitness with VO2 max, which will:
a.remain the same when exercising at varying altitudes.
b.increase the resting heart rate to pump blood more rapidly.
c.decrease the amount of oxygen needed for exercising.
d.increase as fitness improves and blood is pumped more efficiently.
47.A benefit of cardiorespiratory endurance training is that:
a.the stroke volume of the heart decreases because less blood is needed.
b.LDL cholesterol in the blood is reduced.
c.the heart muscle grows larger and stronger.
d.the resting heart rate increases to pump blood more efficiently.
48.You have been following a fitness program for several weeks and your resting pulse has gone from 70 to 58. What can you state about your progress?
a.The program is not working because my resting pulse should be increasing.
b.I am making good progress and should continue so the pulse goes lower.
c.I need to increase my resistance exercise to make better progress.
d.My pulse has reached a good rate so I can discontinue the fitness program.
49.What is recommended for replacing fuels that have been used during exercise?
a.Immediately replace fat because it is used more in moderate exercise.
b.Wait at least two hours before eating to allow muscles to repair.
c.Eat foods with a low glycemic index.
d.Eat a high-carbohydrate meal within two hours after exercise.
50.Calculate how much carbohydrate a 175-pound athlete who is in training for a marathon should eat each day in order to enhance his body’s storage of glycogen.
a.385-550 grams
b.40-56 grams
c.88-123 grams
d.477-795 grams
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