What is olestra? What are the benefits and safety issues with the use of olestra?
?Olestra is an artificial fat. Artificial fats contain fewer kcalories than normal fats. Olestra cannot be digested in the gastrointestinal track, which means that it will not be absorbed by the body. However, as it passes through the GI tract, it binds to fat soluble vitamins, preventing them from being absorbed. To compensate, foods with olestra are fortified with vitamins, however, it is still less ideal than simply choosing better foods to begin with.
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A father's health can impact the health of a developing fetus.
a. true b. false
How are disaccharides formed?
How does the Standard Error of the Estimate (SEE) for bioelectrical impedance analysis (BIA) compare to that of underwater weighing, and how should this information be interpreted?
a. SEE is higher for BIA, making BIA a more accurate measure. b. SEE is higher for BIA, making BIA a less accurate measure. c. SEE is lower for BIA, making BIA a more accurate measure. d. SEE is lower for BIA, making BIA a less accurate measure. e. The SEE is the same, making BIA equally accurate.
MC4-11. Which of the following best describes why carbohydrate digestion stops while food is in the stomach?
Body heat slows the necessary chemical reactions. Carbohydrates have already been broken down into monosaccharides in the mouth. Salivary enzymes lose their ability to continue digestion in an acid environment. Churning of food in the stomach keeps carbohydrates separated from crucial enzymes.