Which of the following substances CANNOT be absorbed directly into the blood?
a. Glycerol b. Long-chain fatty acids
c. Short-chain fatty acids d. Medium-chain fatty acids
b
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A convenience meal contains 20 g of fat, 32 g of carbohydrate, and 19 g of protein. How many kcalories does the meal provide?
a. 284 b. 384 c. 479 d. 544
Which of the following statements reflects our knowledge of water-soluble vitamin toxicity?
a. Toxicity symptoms for vitamin B6 can be severe and irreversible b. Toxicity symptoms for vitamin C include constipation and hyperactivity c. Toxicities of the B vitamins occur almost as often from foods as from supplements d. Toxicity of niacin has been reported in body builders taking large amounts of amino acid supplements
Dietary fiber is nondigestible by humans in the small intestine because:
A) the enzymes required to digest the fiber are usually depleted by digesting starches. B) humans lack the enzymes needed to break the types of bonds found in the fiber. C) humans do not produce the acid necessary to break the types of bonds found in the fiber. D) the pigment required to break down the fiber is only present in plants.
Which CAM is biologically based?
a. ayurveda b. meditation c. prayer d. aromatherapy e. refexology