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Minerals and Their Roles in the Human Body

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Minerals and Their Roles in the Human Body

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Questions and Answers

What is the primary role of copper in iron metabolism?

Inhibiting iron absorption

Storing iron in the liver

Catalyzing iron oxidation

Facilitating iron absorption and incorporation into hemoglobin (correct)

What is the approximate percentage of dietary copper absorbed in the duodenum?

10% (correct)

50%

20%

What is the genetic disorder characterized by an accumulation of copper in the liver, brain, and kidneys?

Menke's syndrome

Wilson disease (correct)

Copper deficiency disorder

Hemochromatosis

What is the protein responsible for facilitating copper absorption in the duodenum?

Metallothionein Signup and view all the answers

What is the X-linked disorder characterized by a defect in intestinal copper absorption?

Menke's syndrome Signup and view all the answers

What is the effect of zinc and molybdenum on copper uptake?

Decrease copper uptake Signup and view all the answers

What is the role of copper in the synthesis of melanin?

Facilitating melanin synthesis Signup and view all the answers

What is the primary source of copper in the diet?

Liver and kidney Signup and view all the answers

What is the consequence of copper deficiency in the body?

Failure to thrive and mental retardation Signup and view all the answers

What is the role of copper in the formation of collagen?

Facilitating collagen synthesis Signup and view all the answers