Iron and Its Role in the Human Body Quiz

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Questions and Answers

What are the two most common iron states?

  • Ferrous (Fe) and ferric (Fe)
  • Ferrous (Fe2+) and ferric (Fe3+) (correct)
  • Ferrous (Fe3+) and ferric (Fe2+)
  • Ferrous (Fe3+) and ferric (Fe)

Which proteins are responsible for oxygen binding, transport, and storage?

  • Haemoglobin and myoglobin (correct)
  • Cytochromes and catalase
  • Peroxidase and cytochromes
  • Catalase and myoglobin

What are the main sources of iron?

  • Liver, heart, kidneys, spleen, and fish (correct)
  • Kidneys, fish, egg yolk, and cereals
  • Liver, heart, cereals, and sugar cane syrup
  • Cereals, sugar cane syrup, and egg yolk

What is the daily iron requirement for pregnant and lactating women?

<p>30 mg/day (A)</p> Signup and view all the answers

What is the total amount of iron in a 70 kg man approximately?

<p>3.5 - 4 gram (C)</p> Signup and view all the answers

Flashcards

Common iron oxidation states

Ferrous (Fe2+) and ferric (Fe3+)

O2 binding proteins

Hemoglobin (blood) and myoglobin (muscle).

Iron needs during pregnancy

Approx. 30 mg/day

Total iron in a 70 kg man

Approximately 3.5 to 4 grams

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Main Dietary Iron Sources

Liver, heart, kidneys, spleen and fish

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