Indirect calorimetry is a method to measure energy use by the body by measuring oxygen uptake and carbon dioxide output.
a. true
b. false
Answer: a. true
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A medical researcher reads an article in "Today's Health-Conscious Woman" magazine about the benefits of using the phytochemical capsaicin to treat knee pain. She asks 10 people with arthritic knees to rub a cream that contains the phytochemical on their knee joints for two weeks. At the end of the two weeks, the researcher asks the subjects whether their knee pain improved, stayed about the same, or worsened during the treatment period. After collecting responses from the people, the researcher reports the results of her study during a popular TV show that is hosted by a doctor. Based on this information, which of the following statements is true?
A. The researcher reviewed scientific literature regarding the use of capsaicin to treat knee pain. B. The researcher subjected the results of her study to peer-review. C. The researcher did not divide the subjects of her study into control and treatment groups. D. The researcher used a standard scientific design for research involving human subjects.
Which of the following is NOT classified as an ultratrace mineral?
A. boron B. selenium C. vanadium D. arsenic
How often are the Dietary Guidelines for Americans revised?
a. Every year b. Every 3 years c. Every 5 years d. Every 10 years
The Acceptable Macronutrient Distribution Ranges (AMDR) set recommendations for which of the following nutrients?
a. Vitamin E, calcium, lipids b. Fat, carbohydrates, protein c. Phytochemicals, lipids, fiber d. Fiber, iron, zinc