A liter of perspiration lost by the body represents a heat loss of approximately ________ kilocalories.
A. 200
B. 600
C. 800
D. 400
Answer: B
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Fetal demand for iron is highest during the
A. first trimester. B. second trimester. C. third trimester. D. entire gestational period.
What is a feature of protein nutrition??
A) ?Protein in body tissues is preserved fairly well on low-energy diets. B) ?The protein RDA assumes that dietary protein is from a mix of low- and high-quality sources. C) ?Many people in the United States and Canada consume somewhat less protein than is needed. D) ?Athletes in training benefit from increasing their protein energy intake to 45 to 50 percent of total daily energy.
Which factor is related to increased risk for several different types of cancer?
a. obesity b. processed meats c. sedentary lifestyle d. high doses of calcium (> 1500 mg daily)
Which of the herbal products may induce the CP450 system, causing a potential decreased effectiveness of prescribed medications?
a. St. John's wort b. Ginger c. Feverfew d. Gingko biloba