Anemia: Causes and Definition
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Questions and Answers

What is anemia?

  • A deficiency in the number of white blood cells
  • A deficiency in platelets
  • An excess of red blood cells
  • A deficiency in the number of red blood cells, hemoglobin, and/or the volume of packed RBCs (correct)

    • Which nutrient deficiency can cause anemia?

  • Vitamin D
  • Vitamin C
  • Folic acid (correct)
  • Vitamin A

    • At what hemoglobin level does severe anemia typically occur?

  • $Hgb$ 10 to 12 g/dL [$100$ to $120$ g/L]
  • $Hgb$ 6 to 10 g/dL [$60$ to $100$ g/L]
  • $Hgb$ 13 to 15 g/dL [$130$ to $150$ g/L]
  • $Hgb$ less than $6$ g/dL [$60$ g/L] (correct)

    • What is pernicious anemia associated with?

    <p>Lack of intrinsic factor in stomach secretions</p> Signup and view all the answers

    Which population group is commonly affected by thalassemia anemia?

    <p>Southeast Asian, African, Italian, and Mediterranean populations</p> Signup and view all the answers

    What is thalassemia anemia?

    <p>A hereditary anemia found in persons from Southeast Asia, Africa, Italy, and the Mediterranean islands</p> Signup and view all the answers

    What is the primary cause of pernicious anemia?

    <p>Lack of intrinsic factor in stomach secretions</p> Signup and view all the answers

    Which nutrient deficiency can cause hemolytic anemia?

    <p>All of the above</p> Signup and view all the answers

    What are the clinical manifestations of mild states of anemia?

    <p>$Hgb = 10-12 g/dL$ and slight fatigue</p> Signup and view all the answers

    At what hemoglobin level does moderate anemia typically occur?

    <p>$Hgb = 6-10 g/dL$</p> Signup and view all the answers

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