The Mother of a 9-Year-Old Boy Is Concerned That Her $\frac {1} {2}$

Multiple Choice

The mother of a 9-year-old boy is concerned that her son is gaining weight too quickly for his age. The nurse explains to the mother that between the ages of 5 and 12, her child should be gaining

A) 2 to 4 pounds per year.
B) 4 $\frac {1} {2}$ to 6 $\frac {1} {2}$ pounds per year.

C) 7 $\frac {1} {2}$ to 10 pounds per year.

D) 9 $\frac {1} {2}$ to 12 pounds per year.