Why might soluble fiber not have the same benefits in reducing the risk of colorectal cancer?
Soluble fiber can consist of pectins, gums, and psyllium. This fiber is found in the flesh of fruits. While soluble fiber can make a person feel fuller, help control their blood glucose spikes, and reduce their blood cholesterol, it does not aid in the bulking of stools. When waste products are easily eliminated from the colon, they do not cause as much irritation or inflammation that could trigger changes in the cells of the colon.
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Which of the following is a property of the fat-soluble vitamins?
a. Most of them are synthesized by intestinal bacteria b. Intestinal transport occurs by way of the portal circulation c. Deficiency symptoms may take years to develop on a poor diet d. Toxicity risk is higher for vitamins E and K than for other fat-soluble vitamins e. Deficiencies are more common in industrialized nations than in developing nations.
Joseph plays basketball for his high school team, and he is concerned that he is not consuming enough kilocalories to support his activity. Which of the following would be the best indicator that he is not consuming adequate kilocalories?
A. His performance has been impaired.
B. He is losing weight.
C. His blood glucose levels are low.
D. His hemoglobin is low.
Amanda consumes approximately 2500 kcal/day. According to recommendations of the Dietary Guidelines (2015-2020), she should limit her saturated fat intake to fewer than ________ kcal/day.
A. 450 B. 150 C. 250 D. 350
Indicate whether each product meets the legal definition of a dietary supplement. Metabolites or constituents of a vitamin or mineral are:
a. included in the legal definition. b. not included in the legal definition.