Question

All of the following are true statements regarding nutrient needs and intakes of adolescents and young adults EXCEPT:
	the iron RDA is higher for 14- to 18-year-old boys than any other age group. one cup of milk will provide close to 25% of the calcium RDA for 14- to 18-year-olds. the majority of adult bone mass is obtained by age 18. the iron RDA for 14- to 18-year-old girls is 4 mg higher than for boys of the same age.

Answer 1

All of the following are true statements regarding nutrient needs and intakes of adolescents and young adults EXCEPT:

answer: the majority of adult bone mass is obtained by age 18.

(Bone mass, can keep growing until the late 20s. At this age bones have reached their maximum strength and density is known as peak bone mass. Women tend to experience minimal change in total bone mass between age 30 and menopause.)

#the iron RDA is higher for 14- to 18-year-old boys than any other age group, is correct.

iron RDA in boys iron RDA in girls

o-6 months: 0.27 mg/day   0.27 mg/day  
7-12 months : 11 mg/day   11 mg/day
1-3 years: 7 mg/day   7 mg/day
4-8 years: 10 mg/day   10 mg/day
9-13 years: 8 mg/day   8 mg/day
14-18 years: 11 mg/day 15 mg/ day
9-50 years : 8 mg/day 18 mg/day
51+ years: 8 mg/day   8 mg/day

# one cup of milk will provide close to 25% of the calcium RDA for 14- to 18-year-olds,  is correct

# the iron RDA for 14- to 18-year-old girls is 4 mg higher than for boys of the same age, is correct

Teen aged girls need more iron than boys their age — 15 mg daily. 14 to 18 years girls need 15 mg daily and boys need 11 mg daily.