What can you conclude about a nutrient for which an upper level of intake has not been established?
a. There is too little information currently available to establish a UL value
b. There is no potential for adverse effect from high intake
c. The nutrient is unpalatable; hence people should not consume it
d. The nutrient is not available for consumption in natural or synthetic form
Ans: a. There is too little information currently available to establish a UL value
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Zinc toxicity _____.
a. is unknown b. may occur at doses of more than 50 mg zinc per day c. is most likely to occur in developing countries d. often goes hand in hand with iron toxicity e. is common in people who eat high-protein diets
Which of the following is not a characteristic of caffeine use in physical activity?
a. It slows depletion of muscle glycogen b. It often induces stomach upset and diarrhea c. It acts as a physiological and psychological stimulant d. It is permitted in moderation by the National Collegiate Athletic Association (NCAA)
Damage to the occipital lobe results in _____
a. partial or complete deafness b. compromise of analytic capabilities c. partial or complete blindness d. loss of short-term memory
Red blood cells turn over every
A. 2 months. B. 20 minutes. C. 120 days. D. 20 hours.