Kyle wants to improve his fitness and drop a few extra pounds. The most important thing Kyle can do to achieve these goals is to:
a. start a daily or weekly exercise routine and stick to it consistently.
b. join a fitness club and sign up for personal training sessions.
c. buy some high-quality athletic shoes and exercise DVDs.
d. order a book with a popular exercise program and follow it exactly.
Q. 2The modern human's genes date back to a time when:
a. the food supply was much more varied than it is today.
b. efficient processing of foods eaten was not required.
c. the body's metabolism was faster than it is now.
d. daily physical exertion was necessary for survival.
Q. 3Someone with _____ but no other health conditions can safely begin a fitness program without consulting a physician.
a. a food allergy
b. type 2 diabetes
c. a smoking habit
d. heart disease
Q. 4When a formerly sedentary person is trying to become fit, _____ is very important.
a. focusing exclusively on strength training
b. high-intensity exercise
c. following an exercise routine consistently
d. low-intensity exercise
Q. 5According to the Physical Activity Guidelines for Americans, which of the following would be enough exercise for an adult who wants to achieve health benefits?
a. Two 30-minute sessions of vigorous-intensity aerobic activity per week
b. Three 25-minute sessions of vigorous-intensity aerobic activity per week
c. Three 30-minute sessions of moderate-intensity aerobic activity per week
d. Two 1-hour sessions of moderate-intensity aerobic activity per week
Q. 6Which is not a function of carbohydrates in a sports drink?
a. Energy source
b. Maintains blood glucose levels
c. Increases the rate of water absorption into the body from the small intestine
d. Maintains the pH of the blood
Q. 7The protein RDA for adults is ____ g/kg/day but up to ____ g/kg/day is recommended for bodybuilders.
a. 0.4; 0.8
b. 1.0; 2.5
c. 0.8; 1.7
d. 25; 45
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