If a person uses fasting to lose weight, how will his or her body react?
a. increase its basal metabolism to burn energy
b. break down fat into ketone bodies to provide fuel
c. become internally cleansed
d. conserve its minerals by restricting their excretion
e. convert fatty acids to glucose for the nervous system
Q. 2Why can people consume large amounts of foods with beta-carotene without any ill effects but cannot consume large amounts of foods with active vitamin A without risk of serious toxic effects?
Q. 3Which individual's activity had the highest calorie cost?
a. Sara, who weighs 145 lb and did step aerobics (0.062 cal/lb/min) for 35 minutes
b. Ben, who weighs 180 lb and walked on the treadmill (0.048 cal/lb/min) for 25 minutes
c. Mary, who weighs 120 lb and rode her bike (0.076 cal/lb/min) for 20 minutes
d. Andrew, who weighs 163 lb and swam (0.058 cal/lb/min) for 30 minutes
e. Kia, who weighs 185lb and ran on the treadmill (0.061cal/lb/min) for 25 minutes
Q. 4Your friend is a meat eater who would like to develop a healthier, less meat-centered diet. Provide any 3 suggestions as to how your friend can achieve this goal.
Q. 5The best way to use physical activity to assist with weight control is to:
a. begin a high-intensity exercise program to jump-start energy expenditure.
b. work on strength-building activities with short duration and many repetitions.
c. walk for 30 minutes twice a week.
d. exercise daily in conjunction with a substantial calorie reduction.
e. use exercise to make up for high-calorie meals and snacks.
Q. 6List a one-day eating plan that ensures adequate nutrition for a strict vegetarian.
Q. 7How could a city official change the built environment in his town to help promote the healthy weight status of its residents?
a. invite a fitness center chain to open a franchise within town limits
b. add bike lanes to busy roads
c. limit the height of new buildings
d. prevent homes and businesses from being built close together
e. build more convenience stores that sell ready-to-eat prepackaged foods
Q. 8Describe any 3 challenges that a vegan faces when developing an eating plan that ensures nutritional adequacy.
Q. 9What is NOT recommended for physical activity in order to maintain a healthy body weight?
a. episodes of physical activity that are at least 10 minutes in duration count toward exercise goals.
b. only aerobic physical activities are beneficial for weight loss.
c. more than 250 minutes per week promotessignificant weight loss.
d. 150-250 minutes a week of at least moderate-intensity physical activity is needed for preventing weight gain.
e. planned workouts can be augmented with bits of physicalactivity throughout the day.