Serum Iron Test Overview
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Questions and Answers

What is the primary function of iron in the body?

  • To maintain healthy skin and nails
  • To metabolize fats and carbohydrates
  • To regulate blood pressure
  • To transport oxygen throughout the body (correct)

    • What percentage of the body's total iron content is found in the blood?

  • 90%
  • 75% (correct)
  • 50%
  • 25%

    • What is the recommended fasting time before a serum iron test?

  • 10 hours
  • 12 hours (correct)
  • 24 hours
  • 8 hours

    • Which of the following is NOT a form in which iron is present in the body?

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

    What is the purpose of measuring serum iron levels?

    <p>To assess iron deficiency</p> Signup and view all the answers

    What type of anemia results from iron deficiency?

    <p>Microcytic hypochromic anemia</p> Signup and view all the answers

    Which of the following is NOT a function of iron-sulfur clusters in the body?

    <p>Protein synthesis</p> Signup and view all the answers

    Which protein is responsible for transporting iron in the blood?

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

    What is the key function of hepcidin in iron regulation?

    <p>Decreases iron levels by inhibiting dietary iron absorption</p> Signup and view all the answers

    Which organs can be damaged by progressive accumulation of iron due to hemochromatosis?

    <p>Liver, heart, and pancreas</p> Signup and view all the answers

    Where is iron primarily stored in the human body?

    <p>Liver, spleen, marrow, and skeletal muscle</p> Signup and view all the answers

    What are common symptoms of iron deficiency?

    <p>Burning sensation in the tongue, sores at the corners of the mouth</p> Signup and view all the answers

    Which of the following statements about ferritin is correct?

    <p>It is a storage form of iron in the body.</p> Signup and view all the answers

    What does a high Total Iron Binding Capacity (TIBC) level indicate?

    <p>Iron deficiency</p> Signup and view all the answers

    Which of the following conditions can lead to high serum iron levels?

    <p>Multiple blood transfusions</p> Signup and view all the answers

    What is the Recommended Dietary Allowance (RDA) for iron for non-pregnant adult women aged 19-50 years?

    <p>18 mg/day</p> Signup and view all the answers

    Which of the following conditions can lead to low serum iron levels?

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

    What is the normal reference range for serum iron levels in men?

    <p>65 to 176 μg/dL</p> Signup and view all the answers

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