Magnesium is necessary in the activation of many enzyme systems, particularly those involved with carbohydrate and lipid metabolism

When did Congress pass the Social Security Act?

A) 1995 B) 1985 C) 1965 D) 1935

At what age would a child most likely benefit from the exposure of two bitewing and two occlusal radiographs when a complete mouth examination is required?

A) 5 years B) 10 years C) 13 years D) 15 years