111.Zinc is known to play an important role in which one of the following functions?

a.wound healing

b.synthesis of antibodies

c.production of skin cells

d.oxidation of polyunsaturated fatty acids

112.What dietary ratio of iron to zinc inhibits zinc absorption?

a.0.5 to 1

b.1 to 1

c.2 to 1

d.Greater than 2 to 1

113.Which of the following would be the minimum amount of dietary iron known to impair zinc absorption in an individual with a zinc intake of 15 mg?

a.5 mg

b.15 mg

c.30 mg

d.60 mg

114.Which of the following conditions is known to lead to copper deficiency?

a.excess zinc

b.excess protein

c.insufficient iodine

d.insufficient calcium

115.Which of the following is a known side effect of prolonged ingestion of excessive amounts of zinc supplements?

a.iron toxicity due to increased ferritin synthesis

b.zinc salt deposits in soft tissues such as the heart and kidneys

c.copper deficiency due to interference with copper absorption

d.mineral-binding protein deficiency due to a decrease in metallothionein production

116.Deficiency of which of the following minerals is associated with retarded growth and sexual development in children?

a.iron

b.zinc

c.iodine

d.chromium

117.Which of the following conditions is associated with zinc deficiency?

a.altered taste

b.kidney failure

c.exhaustion

d.skin rashes

118.Which of the following ranges is the current average Canadian intake for zinc?

a.2 – 3 mg/1000 kcal

b.3 – 4 mg/1000 kcal

c.4 – 5 mg/1000 kcal

d.5 – 6 mg/1000 kcal

119.Which of the following represents the most reliable dietary source of zinc?

a.nuts and oils

b.milk and yogurt

c.fruits and vegetables

d.meats and whole-grain cereals

120.Which of the following nutrients is highest in content in foods also high in zinc?

a.fat

b.fibre

c.protein

d.carbohydrate