CHAPTER 13 POST-TEST | PRACTICE QUESTIONS AND ANSWERS | COMPLETE
CHAPTER 13 STUDY GUIDE
The UL for iron is ________ times the RDA for women.
a. 1½
b. 5½
c. 4½
d. 2½
e. 3½ - correct answer ✔✔d. 2½
The UL for zinc is _____ times greater than the RDA for men.
a. 5
b. 9
c. 11
d. 7
e. 3.6 - correct answer ✔✔e. 3.6
Which nonessential trace mineral has an unknown DRI and is believed to serve as a cofactor for
certain enzymes?
a. boron
b. cobalt
c. vanadium
d. tin
e. nickel - correct answer ✔✔e. nickel
About _____ of heme iron and _____ of nonheme iron is absorbed, depending on dietary
factors and the body's iron stores.
, a. 33 percent; 25 percent
b. 42 percent; 37 percent
c. 37 percent; 42 percent
d. 25 percent; 17 percent
e. 17 percent; 25 percent - correct answer ✔✔d. 25 percent; 17 percent
What process occurs in the first stage of iron deficiency?
a. Transferrin saturation decreases.
b. Serum ferritin increases.
c. Erythrocyte protoporphyrin accumulates.
d. Serum ferritin decreases.
e. Erythrocyte protoporphyrin declines. - correct answer ✔✔d. Serum ferritin decreases.
Many of the symptoms associated with _____ deficiency are easily mistaken for behavioral or
motivational problems.
a. zinc
b. iron
c. selenium
d. molybdenum
e. copper - correct answer ✔✔b. iron
Which food has the most iron per serving?
a. watermelon
b. carrots
c. strawberries
d. banana
CHAPTER 13 STUDY GUIDE
The UL for iron is ________ times the RDA for women.
a. 1½
b. 5½
c. 4½
d. 2½
e. 3½ - correct answer ✔✔d. 2½
The UL for zinc is _____ times greater than the RDA for men.
a. 5
b. 9
c. 11
d. 7
e. 3.6 - correct answer ✔✔e. 3.6
Which nonessential trace mineral has an unknown DRI and is believed to serve as a cofactor for
certain enzymes?
a. boron
b. cobalt
c. vanadium
d. tin
e. nickel - correct answer ✔✔e. nickel
About _____ of heme iron and _____ of nonheme iron is absorbed, depending on dietary
factors and the body's iron stores.
, a. 33 percent; 25 percent
b. 42 percent; 37 percent
c. 37 percent; 42 percent
d. 25 percent; 17 percent
e. 17 percent; 25 percent - correct answer ✔✔d. 25 percent; 17 percent
What process occurs in the first stage of iron deficiency?
a. Transferrin saturation decreases.
b. Serum ferritin increases.
c. Erythrocyte protoporphyrin accumulates.
d. Serum ferritin decreases.
e. Erythrocyte protoporphyrin declines. - correct answer ✔✔d. Serum ferritin decreases.
Many of the symptoms associated with _____ deficiency are easily mistaken for behavioral or
motivational problems.
a. zinc
b. iron
c. selenium
d. molybdenum
e. copper - correct answer ✔✔b. iron
Which food has the most iron per serving?
a. watermelon
b. carrots
c. strawberries
d. banana
