Most intestinal gas is produced by:

a. swallowing air.
b. the action of intestinal bacteria on undigested carbohydrate.
c. the action of intestinal bacteria on undigested fat.
d. internalization of anger and stress.


Answer: b. the action of intestinal bacteria on undigested carbohydrate.

Nutritional Science

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Obese individuals have similar amounts of leptin as do normal weight individuals but the overall response to these levels is exaggerated leading to weight gain

a. true b. false

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The most nutrient-dense food sources of vitamin K are

A. nuts and seeds. B. green leafy vegetables. C. whole grain breads and cereals. D. oysters and shellfish.

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All of the following are true regarding fat-soluble vitamins EXCEPT:

1.they are stored in body fat, the liver, and other parts of the body. 2.deficiency symptoms take longer to develop than those associated with water-soluble vitamins. 3.they can be highly toxic if consumed in excess. 4.they include vitamins A, C, D, E, and K.

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Vitamin B12 is most likely to be found in the meat eater's diet

Indicate whether the statement is true or false

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