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Minerals

Minerals
Which trace mineral is a component of the enzyme that activates vitamin A in the eye?

Iron
Chromium
Zinc
Iodine

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Minerals
Manganese is a key component of all of the following enzymes except

ceruloplasmin
Mn-superoxide dismutase
arginase
pyruvate carboxylase

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Minerals
Which of the following is required as a component of blood hemoglobin?

Copper
Magnesium
Calcium
Iron

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Minerals
Normal glucose metabolism requires

calcium
magnesium
chromium
manganese

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Minerals
Which of the following ion is required for the development of sound teeth with resistance to tooth decay?

Sodium ion
Chloride ion
Fluoride ion
Magnesium ion

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Minerals
What condition is caused by iodine deficiency during pregnancy and is characterized by stunted growth, deafness, and mental retardation?

Crohn's disease
Cretinism
Keshan disease
Multiple sclerosis

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