Which of the following statements is true?
A. Nutrition scientists have established RDAs for all essential nutrients.
B. People who consume less than the Tolerable Upper Intake Level of a nutrient have a high risk of developing the nutrient's toxicity disorder.
C. People who consume 90% of the RDA for iron regularly are likely to develop an iron deficiency.
D. People can have energy needs that are higher or lower than the Estimated Energy Requirement.
Answer: D
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Indicate whether the statement is true or false
In addition to iron, which of the following minerals should a pregnant woman also take to prevent a deficiency?
A) zinc and copper B) vitamins A and K C) sodium and potassium D) chloride and vitamin C
Warfarin (Coumadin) is antagonistic to vitamin K's action in hemostasis, but does not interfere with vitamin K's bioavailability or metabolism. Which of the following medications interferes with either vitamin K's bioavailability or metabolism?
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