Exam 15: Trace Minerals

Manganese plays a role in antioxidant defense as a part of the superoxide dismutase enzyme system.

Which of the following enzymes contains selenium?

In the U.S.,accidental iron overdose is the leading cause of poisoning in young children less than 6 years of age.

The role of hydroxyfluorapatite is to

The signs and symptoms of iron-deficiency anemia are reflective of this condition.

Cretinism may form as a consequence of a severe deficiency of

Ceruloplasmin is

A major factor contributing to the decline in iron deficiency anemia among poor preschool children in the U.S.is

Zinc supplementation is a scientifically proven means of preventing the common cold.

The RDA for zinc for adults is

Excess intake of zinc supplements can reduce absorption of

Which of the following factors increases iron absorption?

Dietary heme iron is obtained mainly from plant-based foods.

The richest sources of copper are

Approximately _______ of iron used each day is recovered and recycled.

In a situation where there is an insufficient intake of dietary iodide,the thyroid-stimulating hormone promotes the enlargement of the thyroid gland.This condition is called

The proteins ____________ oxidize ferrous iron to ferric iron to allow iron to be transported to body cells.

High intakes of polyphenols,meat protein factor,and manganese aid in the absorption of non-heme iron.

Excessive fluoride exposure during tooth development can cause

Ferritin and hemosiderin are