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Questions and Answers
Which form of iron is predominantly absorbed in the duodenum and upper jejunum?
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?
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?
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?
Which vitamin enhances iron absorption?
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Which of the following compounds inhibits the absorption of iron?
Which of the following compounds inhibits the absorption of iron?
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Which of the following substances favors the reduction of ferric iron to ferrous iron?
Which of the following substances favors the reduction of ferric iron to ferrous iron?
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Which of the following beverages contains a compound that decreases the solubility of iron?
Which of the following beverages contains a compound that decreases the solubility of iron?
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