Which of the following trace minerals are being investigated to determine their role in human nutrition?
a. Nickel, aluminum, silicon, vanadium, arsenic, and boron
b. Calcite, barite, olivine, mica, arsenic, and niter
c. Silver, gold, silicon, cadmium, mercury, and lead
d. Beryl, pyrite, cinnabar, bismuth, dravite, and galena
a
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Which statement about vitamin D is correct?
a. it promotes active transport of calcium across the intestine b. it is required for the passive transport of calcium across the intestine. c. vitamin D is most necessary when calcium intake is high d. adequate consumption increases the absorption of calcium to 50%.
In general, what amount of fat per day is recommended to athletes in training who are not trying to lose weight?
A) 0.5 g/kg B) 1.0 to 3.0 g/kg C) 3.0 to 5.0 g/kg D) 5.0 to 7.0 g/kg
HIV is a:
a. retrovirus. b. drug-resistant virus. c. waterborne virus. d. cellular virus.
The average daily loss of water via the kidneys, lungs, feces, and skin is approximately ____ liters.?
A) ?0 to 0.5 B) ?0.5 to 1.5 C) ?2.0 D) ?4.0