Which of the following statements is true of the Dietary Guidelines for Americans?

A) They recommend limiting the intake of nutrient-dense foods.
B) They provide advice about physical activity, alcohol intake, and food safety.
C) They emphasize that nutritional needs should be met primarily from supplements.
D) They focus on individual foods and not on dietary patterns.


B

Nutritional Science

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A) by breaking them down into less damaging molecules B) by enzymatic destruction C) by donating electrons or hydrogen ions to them D) by stimulating an immune response against them

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Both the blood and the urine can be checked for the presence of ketones

Indicate whether the statement is true or false

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Which of the following nutrients can provide the body with energy?

A) Vitamins B) Minerals C) Protein D) Fiber E) All of the above

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The MOST common lipids found in food are

A) glycerols. B) phospholipids. C) sterols. D) triglycerides.

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