Dr. Sullivan is conducting a clinical trial to determine if vitamin Z can improve test performance of students in an introductory college nutrition course. Dr. Sullivan puts all the student names in a hat and draws names to determine if they will be placed in the control or the experimental group. The experimental group receives a capsule of vitamin Z and the control group a "sugar pill" that tastes and looks identical to the vitamin Z capsule. Neither Dr. Sullivan nor the participants knows who is receiving which treatment. This experiment is BEST described as
What will be an ideal response?
double blind, placebo-controlled, randomized
Nutritional Science
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Excess intake of zinc supplements can reduce absorption of
A. calcium. B. selenium. C. copper. D. iodine.
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Which substances are nonessential amino acids that are sometimes supplemented in patients undergoing metabolic stress?
A) aspartic acid and arginine B) arginine and glutamine C) glycine and glutamine D) alanine and glycine
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Youth with body mass index (BMI) values > 50th percentile, but < 75th percentile are considered:
a. normal weight. b. at risk for overweight. c. overweight. d. obese. e. morbidly obese.
Nutritional Science
Orange juice is the most nutrient-dense juice consumed in the U.S
Indicate whether the statement is true or false
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