Iron Absorption and Metabolism Quiz

What is the main site of iron absorption?

• Stomach

• Duodenum

• Jejunum

• Colon

Which protein transports iron in blood?

• Ferritin

• Transferrin

• Hemosiderin

• Albumin

Ferritin acts as a?

• Transport protein

• Storage protein

• Enzyme

• Hormone

What enhances iron absorption?

• Phytates

• Oxalates

• Vitamin C

• Calcium

Which of the following inhibits iron absorption?

• Vitamin C

• HCl

• Tannins

• Fructose

Iron is absorbed in which form?

• Ferric (Fe³⁺)

• Ferrous (Fe²⁺)

• Elemental iron

• Heme only

Iron overload in thalassemia is an example of?

• Primary hemochromatosis

• Secondary hemochromatosis

• Iron deficiency

• Anemia of chronic disease

Hemochromatosis is caused by?

• Iron deficiency

• Vitamin B12 deficiency

• Iron overload

• Copper overload

What is the daily iron requirement in males?

• 10 mg

• 20 mg

• 8-10 mg

• 1 mg

Which of the following is a function of iron?

• Electron transport

• Hormone synthesis

• Bone mineralization

• Nerve conduction