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Iron Absorption
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Iron Absorption

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Questions and Answers

Which form of iron is predominantly absorbed in the duodenum and upper jejunum?

  • Ferritin form (Fe)
  • Ferric form (Fe+++)
  • Ferrous sulfate form (FeSO4)
  • Ferrous form (Fe++) (correct)

    • What are the main factors that affect the absorption of dietary iron?

  • Total iron content in the diet
  • The rate of erythropoiesis
  • The oxygen content of the blood
  • All of the above (correct)

    • What happens to iron absorption in people who are iron deficient?

  • Iron absorption depends on other factors
  • Iron absorption increases (correct)
  • Iron absorption remains the same
  • Iron absorption decreases

    • Which vitamin enhances iron absorption?

    <p>Vitamin C</p> Signup and view all the answers

    Which of the following compounds inhibits the absorption of iron?

    <p>Phytates</p> Signup and view all the answers

    Which of the following substances favors the reduction of ferric iron to ferrous iron?

    <p>Gastric HCL</p> Signup and view all the answers

    Which of the following beverages contains a compound that decreases the solubility of iron?

    <p>Tea</p> Signup and view all the answers

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