Which of the following is more effective in preventing the formation of dental caries than restricting intake of sugary foods?
a. Regular tooth brushing and flossing
b. Consuming more raisins between meals
c. Substituting honey or raw sugar for table sugar
d. Spreading out the intake of snack foods throughout the day
Question 2
How many different forms of vitamin A are active in the body?
a. 1 b. 2
c. 3 d. 5