Take this quiz to examine how much you already know about balancing energy. If you cannot answer a question, pay extra attention to that topic as you study this chapter.

  1. Energy output is the same for sedentary and active teens.

  2. The inability to balance energy is related to obesity problems at any life stage.

  3. The amount of energy found in carbohydrates, fats, and proteins is the same.

  4. A person’s basal metabolic rate is the same throughout life and cannot be changed.

  5. The body mass index (BMI) is a reliable tool for measuring body fat for all ages, shapes, and levels of fitness.

  6. The greater the amount of physical activity a person does, the larger the needs for energy intake.

  7. Age has no effect on basal metabolic rate.

  8. Belly fat appears naturally as people age.