What is the term that describes the process in which nutrients pass through the wall of the gastrointestinal tract?
A) segmentation B) digestion C) absorption D) elimination
C
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Structures called _____ regulate the flow of material through the GI tract
a. sphincters b. enzymes c. hormones d. buffers
The single most effective way to teach nutrition to children is by
a. example. b. punishment. c. singling out only hazardous nutrition practices for attention. d. explaining the importance of eating new foods as a prerequisite for dessert.
A highly competitive endurance athlete wants to know which foods should be avoided before a meet. He has been following a high-protein diet for the past 6 months but he hasn't been performing his best and is wondering if his diet is the best choice. What advice would you give him?
The main function of vitamin E is to act as a(n):
a. coenzyme. b. free radical. c. fat. d. antioxidant.