Which of the following BEST describes the glycemic index?
A. an individual's glucose/insulin ratio in a fasted state
B. the amount of insulin required to metabolize 100 grams of glucose
C. the glucose content of a given food
D. the extent to which a given food raises blood glucose and insulin levels
Answer: D
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Which statement accurately reflects the relationship between the speed at which one eats and weight management?
a. People who eat slowly have greater energy intake. b. Faster eating correlates with higher BMI. c. Eating quickly stimulates the pleasure centers of the brain faster and leads to faster satiety. d. Satiety hormones are blunted when meals are eaten more slowly. e. Faster eating correlates to higher diet-induced thermogenesis.
Sugar acts as a food preservative by
A. reducing the amount of free water in food. B. increasing the acidity of food. C. directly killing disease-producing microbes. D. increasing the water activity of the food.
Which of the following is not a role of the lymphatic system?
A) transporting digested fat from the GI tract to your blood B) aiding your immune system C) transporting water-soluble vitamins from the GI tract to your blood D) maintaining the internal fluid environment
What is the recommended range of pregnancy weight gain, in pounds, for a single birth in a normal-weight woman?
A) ?10 to 18 pounds B) ?19 to 24 pounds C) ?25 to 35 pounds D) ?38 to 44 pounds