1. Which of the following statements is true regarding zinc deficiency?
a. Symptomatic deficiency is only found in those who lack the ability to absorb zinc.
b. Symptoms often resemble deficiencies of other nutrients.
c. Americans typically consume more than the recommended amount of zinc.
d. A diet high in phytate, fiber, tannins, and oxalates decreases the risk of deficiency.
2. Which of the following characteristics is shared by zinc and iron?
a. Good food sources include dairy products
b. Proteins in the blood are needed for their transport
c. Severe deficiencies lead to delay in the onset of puberty
d. Doses of 10 times the RDA may cause death in children