Question: Painkilling chemicals that occur naturally in the body are known as
A. hormones.
B. triglycerides.
C. endorphins.
D. platelets.
Answer: The correct answer is C. endorphin's.
Question: Specificity is important to a fitness program because it
A. makes the workout more enjoyable.
B. allows you to choose the right types of activities to improve a particular fitness element.
C. increases the demands you place on your body.
D. helps you to exercise beyond your regular daily abilities.
Answer: Correct answer is B. allows you to choose the right types of activities to improve a particular fitness element.
Question: Olympic athletes have lower resting heart rates because
A. their lungs tend to be naturally larger.
B. they have a lot of muscle mass due to weightlifting.
C. they exercise regularly, which improves the efficiency of their heart.
D. they tend to eat low-fat diets.
Question: Correct answer is C. they exercise regularly, which improves the efficiency of their heart.
Question: What does a measure of your cardio-respiratory endurance tell a fitness professional?
A. Your anaerobic fitness, or how well your leg and arm muscles work
B. How long you can sustain a weightlifting program
C. What type of exercises you've been doing
D. Your aerobic fitness, or how efficiently your heart is working
Answer: Correct answer is D. Your aerobic fitness, or how efficiently your heart is working.
Question: Which type of fat may help lower the risk of heart disease?
A. Saturated fat
B. Trans fat
C. Unsaturated fat
D. Cholesterol
Answer: Correct answer is C. Unsaturated fat.
