lecular Basis of Life (Ch.1-3) EXAM
ental student wants to test if fluoride is an effective additive against tooth decay. The student studies tooth decay in a population of people who live in
ghborhoods supplied with fluoridated water. This student
would like to ask whether access to fluoridated water prevents tooth decay. What would be
ective control group to ask this question?
Multiple Choice
Individuals with access to fluoridated water
4
Individuals with access to water with no fluoride added
Individuals who have fluoride added to their toothpaste but not their water
Individuals with access to differing amounts of fluoride in the water
Next