Adults aged 50 years and older should aim for _____ IU of vitamin D per day.
A. 200–500
B. 800–1000
C. 1000–1500
D. 1500–1700
E. 1800–2000
Answer: B
Nutritional Science
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What mineral is the most prevalent mineral in the body?
A) iron B) phosphorus C) calcium D) potassium
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What organ in the infant uses more than half of the day's total energy intake?
a. Liver b. Brain c. Kidney d. Skeletal muscle
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Toxicity means that a substance
a. can cause harm if enough is consumed. b. is not safe at any level of consumption. c. is likely to cause harm in common, real-life situations. d. results in appreciable morbidity and mortality if consumed.
Nutritional Science
Caffeine ________.
A. reduces the ability of skeletal muscles to contract B. lowers blood fatty acid levels C. is a depressant drug D. is addictive
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