Exam 13: Essential Trace and Ultratrace Minerals

Which of the following dietary components impedes copper absorption?

Match each mineral with the symptoms of its deficiency. -zinc

Where would you find iron regulatory protein (IRPs)?

Metallothionein is a storage protein for excess zinc,copper,and iron.

Explain copper's role in normal iron metabolism and how a deficiency causes anemia.

Explain the influences of zinc on carbohydrate metabolism,BMR,and taste.

Describe the process for transport of chromium and explain how it is absorbed into cells.

Which mineral is critical for oxidizing iron to be bound by transferrin for delivery to the tissues from the gut and liver?

Hemochromatosis is a genetic disorder that ultimately results in the excessive accumulation of iron in certain tissues.

Calcium compounds have the ability to enhance the absorption of iron.

Match each mineral with a representative enzyme and the physiological roles for which that mineral is important. -zinc

In addition to an actual deficiency of iron,iron-deficiency anemia may develop when normal iron levels are present,when there is a deficiency of ____.

Which amino acid may enhance copper absorption?

Which vitamins/minerals are required for heme synthesis?

Detail the absorption of iodine.Be sure to include the tissues where iodine ends up after absorption.

List five dietary factors that influence iron absorption and indicate what each factor does.

Discuss the following measurements of red blood cells,telling what they are and how they are used in assessment of iron nutriture: hemoglobin,hematocrit,MCV,MCH,MCHC.

Chromium absorption is inhibited by ____ and enhanced by ____.

Excessive chronic intake of zinc results in a deficiency of ____.

Studies have shown that a combination of zinc,vitamins C and E,and beta-carotene may protect against age-related macular degeneration.