Susan is a 15-year-old who likes fruits, some vegetables, and breads (whole-grain and enriched) but refuses to consume milk, seafood, and eggs. A recent doctor visit revealed normal hemoglobin and plasma ferritin levels. What would you advise?
a. A folate supplement (400 micrograms/day)
b. A vitamin D supplement (400 IU/day)
c. An iron supplement (10 mg/day)
d. No changes in nutrient intake
Q. 2Severe folate deficiency in adolescence can result in:
a. Down syndrome.
b. megaloblastic anemia.
c. spina bifida.
d. anencephaly.
e. rickets.
Q. 3A cup of breakfast cereal provides 40 of the DRI for folate for adolescent (14- to 18-year-old) females. How much folate is this?
a. 160 micrograms
b. 240 micrograms
c. 300 micrograms
d. 340 micrograms
Q. 4Vitamin D _____.
a. is essential for oxygen delivery to tissues
b. deficiency causes parathyroid hormone levels to drop
c. blood levels among adolescents have declined in recent years.
e. in excess blocks absorption of calcium from the GI tract.
Q. 5The most sensitive indicator for iron store depletion is _____.
a. hemoglobin
b. hematocrit
c. plasma ferritin
d. heme iron
Q. 6All of the following are factors that increase a teen's need for iron EXCEPT:
a. a rapid rate of linear growth.
b. the onset of menarche for females.
c. an increase in blood volume.
d. a greater intake of heme than nonheme iron sources.
e. All of the above factors increase a teen's need for iron.
Q. 7The best reason for advising young adolescents to consume foods that provide adequate calcium is _____.
a. young adolescents expend more energy from increased physical activity and need more calcium
b. young adolescents do not have much money and dairy foods are the least expensive to buy
c. young adolescents retain four times as much calcium than adults and build bone mass
d. young adolescents fight with their parents a lot and this would eliminate one food battle
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