Twenty sprint cyclists were randomly selected to be in a study designed to test the effectiveness of 12 weeks of creatine supplementation on performance. Ten cyclists received a creatine supplement for 3 months while the other ten received a powdered supplement with the same color and texture that has no physical effect for 3 months. The cyclists did not know which supplement they were taking but
the researcher did.Did the study utilize a crossover design?
a. Yes
b. No
b
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Which of the following substances is applied to inanimate objects to kill any microbes?
A. antiseptic B. antibiotic C. betadine D. disinfectant E. detergent
The Association of Official Analytical Chemists (AOAC) International publishes a book on chemical tests, including those for determining various nutrient and nonnutrient substances in foods.
Answer the following statement true (T) or false (F)
Restaurants, upon request, must be able to provide consumers with the nutritional information of the foods served.
a. true b. false
Which of the following statements correctly describes an important role of zinc in the body?
A) It promotes a healthy immune system. B) It is important for regulating HDL levels. C) It lowers homocysteine levels. D) It promotes strong bones and teeth.