Chapter 12, Problem 27RQ

The preferred energy sources for the body are ________.

_________lowers blood sugar levels; ____________ raises the level of blood sugar. a. Glucagon; insulin b. Insulin; glucagon c. Gastrin; insulin d. Gastrin; glucagon

How can the ingestion of food increase the body temperature?

As a person ages, the number of body cells steadily decreases and energy needs decline. If you were planning an older persons diet, what kind(s) of nutrients would you emphasize, and why? Which ones would you recommend an aging person eat less of?

Many distance runners “carb load” the day before a big race. How does this eating strategy provide an advantage to the runner? The carbohydrates cause the release of insulin. The excess carbohydrates are converted to fats, which have a higher calorie density. The glucose from the carbohydrates lets the muscles make excess ATP overnight The excess carbohydrates can be stored in the muscles as glycogen.

Where does the majority of fat digestion take place? a. mouth b. stomach c. small intestine d. large intestine

Which of the following statements is not true? Essential nutrients can be synthesized by the body Vitamins are required in small quantities for bodily function Some amino acids can be synthesized by the body, while others need to be obtained from diet Vitamins come in two categories: fat-soluble and water-soluble.