________ is the most biologically active form of vitamin A in the body.
A. Retinol
B. Beta-carotene
C. Lutein
D. Alpha-tocopherol
Answer: A
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Which of the following is true regarding trace minerals?
a. Trace minerals are found in a small number of plant- and animal-based foods. b. The bioavailability of all trace minerals is regulated through absorption. c. For most people, deficiencies and toxicities of trace minerals are rare. d. There are no known instances of toxicity from any of the trace minerals.
A single food can be good for you even if it does not provide all the nutrients
Indicate whether statement is true or false.
Which of the following cautions and contra-indications are relevant for Daucus carota seed essential oil if it is used above the RDD when administered externally?
A. Inflammatory diseases of the GI tract B. Liver troubles C. Skin irritation D. None of the above
What would you recommend to someone who wants to make sure her intake is close to the RDA for all vitamins? a. Eat selected fruits and vegetables in very large quantities. b. Eat a variety of all food groups daily
c. Eat a lot of chicken and meat. d. Eat legumes three times per week. e. Take a high-potency vitamin supplement twice daily.