The Food and Nutrition Board recommends that Americans consume ________ of their total calories from carbohydrates.
A. 65% to 75%
B. 25% to 45%
C. 10% to 25%
D. 45% to 65%
Answer: D
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Which of the following is a property of riboflavin in nutrition?
a. Stability to heat is good. b. Deficiency leads to beriberi. c. Requirements are proportional to body weight. d. Significant amounts are found in citrus products. e. Stability to irradiation is good. ANS: A
Positive nitrogen balance indicates increased excretion of nitrogen compared to intake
Indicate whether the statement is true or false.
The sphincter between the stomach and the small intestine is the
A) lower esophageal sphincter. B) upper sphincter. C) pyloric sphincter. D) ileocecal sphincter.
Unprocessed oils are best stored in airtight containers because:
a. exposure to the air will decrease the likelihood of rancidity. b. airtight storage destroys the natural antioxidants in the oils. c. points of unsaturation in their molecules are vulnerable to oxidation. d. this prevents hydrogenation, which makes them less healthful.