A double-blind experiment is one in which neither the researchers nor participants know which
group is assigned to which treatment.
Indicate whether the statement is true or false
TRUE
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The main function of vitamin D is to promote
a. secretion of calcitonin. b. synthesis of 7-dehydrocholesterol. c. synthesis of carotenoids and controls absorption of fat-soluble vitamins. d. calcium and phosphorus absorption, and calcium mobilization from bone. e. conversion of calcium and phosphorous to more readily absorbable compounds.
Which of the following pesticides kills weeds?
A. Fungicide B. Rodenticide C. Insecticide D. Herbicide
Because of higher needs, women with multifetal pregnancies should take nutrient supplements exceeding the Tolerable Upper Intake Levels
a. True b. False Indicate whether the statement is true or false
Which of the following does the Nutrition Services Incentive Program NOT provide?
A) coupons to use to purchase foods in the grocery store B) meals served at senior centers designed to provide one-third of the RDA for key nutrients C) cash and USDA commodity foods to state agencies D) home-delivered meals for qualified elders