Choline is:
a. found only in animal foods.
b. a vitamin-like substance for which no DRI has been established.
c. a conditionally essential nutrient.
d. needed for release of energy from fats and carbohydrates.
c
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Which structural component of the gastrointestinal tract lies within the muscularis externa and controls the contractions that cause motility??
A) ?muscularis mucosae B) ?submucosal plexus C) ?myenteric plexus D) ?lumen
A food intolerance is:
A) an immune system response to a normally harmless substance in food. B) an adverse reaction to a normally harmless substance in food not involving the immune system. C) a hypersensitivity to food. D) reduced oxygen supply to the heart and other body tissues. E) All of the above
Which of the following body processes is not dependent upon the presence of calcium in the body fluids?
a. blood clotting b. muscle contractions c. transmission of nerve impulses d. secretion of hormones e. transport of oxygen in the blood
Prolonged, low intensity exercise uses mainly ________ muscle fibers.
A. Type IIA B. white C. Type IIX D. Type I