Exercising muscles draw their energy from what fuels?
a. Glucose and fatty acids
b. Protein and fatty acids
c. Protein and glucose
d. Vitamins and glucose
e. Glucose and B-complex vitamins
Q. 2A person wishing to develop larger muscle should ____.
a. eat more protein
b. train the muscles more
c. take in more carbohydrates
d. cut back on fatty foods
e. take arginine as a supplement
Q. 3The heart rate a person must work at to achieve cardiovascular fitness is the ____.
a. exercise rate
b. pulse rate
c. target heart rate
d. training load
e. maximum heart rate
Q. 4To improve cardiovascular fitness, the American College of Sports Medicine (ACSM) recommends that an individual exercise a continuous ____ at least five times a week.
a. 10-25 minutes
b. 20-40 minutes
c. 60-90 minutes
d. 15-55 minutes
e. 30-60 minutes
Q. 5The type of activity that relates to endurance and cardiovascular fitness is termed ____.
a. aerobic
b. anaerobic
c. flexibility
d. fast-twitch activity
e. metabolic
Q. 6Which proportion of calories from complex carbohydrates is recommended for athletes and fitness enthusiasts?
a. 40-45 percent
b. 45-50 percent
c. 50-55 percent
d. 55-60 percent
e. 60-65 percent
Q. 7Which component of fitness has the most impact on long-term health?
a. Flexibility
b. Cardiovascular endurance
c. Strength
d. Muscle endurance
e. Fight-or-flight response
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