Nutrition Debate Questions

1) In 1996, the Surgeon General’s report recommended 30 minutes of physical activity most, if not all, days of the week. This recommendation was based on studies that

A) assessed fitness and health outcomes in individuals in a prescribed training program.

B) assessed the relationship between physical activity and rates of disease and mortality.

C) compared target heart rates in individuals with high and low BMIs.

D) assessed energy expenditures and BMI.

2) What type of study compares self-reports of physical activity with rates of illness and mortality?

A) exercise training studies

B) population-based epidemiological studies

C) case-control studies

D) clinical trials

3) The 2005 Institute of Medicine’s recommendation of 60 minutes each day is based on the amount of exercise needed to

A) maintain a healthy body mass index.

B) lose 1/2 pound a week until a healthy BMI is reached.

C) decrease the risk of developing type 2 diabetes.

D) maintain blood pressure within normal levels.

Questions from Chapter Boxes

1) Ronald is a healthy, 40-year-old tax accountant who is sedentary. He would like to start an exercise program to improve his cardiorespiratory fitness. Utilizing the Centers for Disease Control and Prevention (CDC) guidelines, which of the following heart rates (beats per minute) should Ronald maintain to achieve a moderate-intensity workout?

A) 50 bpm

B) 90 bpm

C) 143 bpm

D) 154 bpm

2) Lactic acid is produced during both aerobic and anaerobic conditions.

3) Endurance training improves the muscle’s ability to use lactic acid for energy during exercise.