The Recommended Daily Allowance (RDA) is the strongest DRI because
a. Balance studies were done in humans
b. Many studies were done by different research groups
c. Statistical analysis was performed to increase it by 2 Standard Deviations
d. Scientists agreed with the value and have storng confidence in it
e. All of the above are correct
Answer: e. All of the above are correct
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The activity of the anticoagulant drug warfarin is affected by its interaction with ________.
a. vitamin K b. grapefruit juice c. sodium d. aged meats e. vitamin B12
The functions of vitamin B12 include __________.
a. the maintenance of healthy nervous tissue b. DNA synthesis c. synthesis of healthy red blood cells d. all of these answers are correct
High intake of retinol as a vitamin A supplement is associated with:
a. Increased risk of breast cancer in younger women b. Increased incidence of gastrointestinal damage in children c. Increased risk of lung cancer in both men and women d. Increased incidents of hip fracture in older women
Which of the following BEST describes basal metabolism?
a. Energy needed for muscular work. b. The amount of energy needed to raise 1 kg of water from 15 degrees C to 16 degrees C. c. Energy required to maintain normal body functions while at rest. d. Energy use related to food ingestion.