If a nutrient has an Adequate Intake value instead of a Recommended Dietary Allowance value, it means that:
A) there is insufficient scientific evidence to establish an Estimated Average Requirement value and a Recommended Dietary Allowance value for that nutrient.
B) rigorous scientific studies have set a conclusive dietary intake goal for that nutrient.
C) the nutrient is toxic and requires that a tolerable upper limit be set for its intake to avoid nutrient overconsumption and toxicity.
D) consumption limits need to be provided for that nutrient for those who take supplements or consume large amounts of fortified foods.
A
You might also like to view...
Which of the following vitamins is often lacking in the diets of older adults?
A. Pantothenic acid B. Vitamin B12 C. Biotin D. Vitamin K
When children are allowed to eat freely from a variety of foods, they usually select foods that are high in
a. iron. b. fiber. c. sugar. d. protein. e. fat.
The FITT principle suggests that the optimal frequency of physical activity to achieve cardiorespiratory fitness is
A. 7 days a week. B. 3 to 6 days a week. C. 2 to 5 days per week. D. 2 to 3 days per week.
One function of the pyloric sphincter is to ____
a. secretes acid into the stomach b. secretes hormones into the stomach c. prevents the contents of the small intestine from backing up into the stomach d. prevents the contents of the small intestine from emptying too quickly into the colon e. initiates peristalsis