Fluoride supplementation
A) Is recommended in all children starting at 3 months of age
B) Is recommended for children over the age of 2 years regardless of whether the water is fluoridated
C) Is not recommended before 6 months of age
D) Is recommended for all pregnant women
C
Health Professions
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The myopic eye requires a ________ lens to correct vision.
A. concave B. convex C. congruent D. convoluted
Health Professions
Why are randomization and blinding used in randomized controlled studies?
a. In combination, the methodologies reduce bias and ensure the study groups are similar b. Both methods prevent type I errors c. Both methodologies define a study’s primary objective d. all of the above e. none of the above
Health Professions