The type of study that compares a group of individuals with a disease to another similar but
healthy group is called a(n)
A) clinical trial. B) double-blind study.
C) intervention study. D) case control study.
Question 2
Milk is a good source of calcium but a poor source of iron. Meat is a good source of iron but a
poor source of calcium. Individuals who eat from both of these food groups are incorporating
what characteristic of a healthy diet into their meal plan?
A) variety B) freshness C) moderation D) balance
