Iron Deficiency Anemia Diagnosis and Characteristics
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Questions and Answers

What is the hemoglobin level that is used to diagnose anemia in men?

  • Less than 120 to 130 g/L
  • Less than 12 to 13 g/dL
  • Less than 130 to 140 g/L
  • Less than 13 to 14 g/dL (correct)
  • What is the commonest cause of anemia worldwide?

  • Iron deficiency anemia (correct)
  • Aplastic anemia
  • Vitamin B12 deficiency anemia
  • Sickle cell anemia
  • What are the characteristics of red cells in iron deficiency anemia?

  • Smaller than normal and hyperchromic
  • Larger than normal and hyperchromic
  • Smaller than normal and hypochromic (correct)
  • Larger than normal and hypochromic
  • What percentage of iron from a normal Western diet is absorbed by the body?

    <p>5%</p> Signup and view all the answers

    Where is iron primarily absorbed in the body?

    <p>Duodenum and upper jejunum</p> Signup and view all the answers

    What protein carries iron to developing red cells in the bone marrow?

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

    What reduces substances help the absorption of iron?

    <p>Hydrochloric acid and ascorbic acid</p> Signup and view all the answers

    How much iron does the average adult contain?

    <p>3-5 g</p> Signup and view all the answers

    Which part of the small intestine primarily absorbs iron?

    <p>Duodenum and upper jejunum</p> Signup and view all the answers

    What is the role of iron in the body's metabolic processes?

    <p>It plays a pivotal role in many metabolic processes</p> Signup and view all the answers

    Which part of the body helps absorb iron in the ferrous form from the diet?

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

    What percentage of iron from a normal Western diet is absorbed by the body on average?

    <p>5% - 10%</p> Signup and view all the answers

    Which form of iron is found predominantly in macrophages?

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

    What are the symptoms of chronic, slow blood loss associated with iron deficiency?

    <p>Tachycardia and cardiac failure</p> Signup and view all the answers

    What are the alternative preparations for oral iron replacement therapy?

    <p>Oral ferrous salts and ferrous gluconate</p> Signup and view all the answers

    What is the main reason for failure to respond to oral iron therapy?

    <p>Poor compliance</p> Signup and view all the answers

    What is the underlying mechanism of vitamin B12 deficiency due to pernicious anemia?

    <p>Achlorhydria and absence of intrinsic factor</p> Signup and view all the answers

    What is the treatment for vitamin B12 deficiency?

    <p>Hydroxo-cobalamin injections</p> Signup and view all the answers

    What are the clinical features of severe folate deficiency?

    <p>Pallor and jaundice</p> Signup and view all the answers

    Which condition leads to symmetrical damage to the peripheral nerves and spinal cord in a minority of patients?

    <p>Vitamin B12 deficiency</p> Signup and view all the answers

    Pancytopenia is associated with which consequences of deficiencies?

    <p>Vitamin B12 or folate deficiencies</p> Signup and view all the answers

    What is the site of red blood cell destruction in autoimmune hemolytic anemia?

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

    What is the management approach for β-thalassemias to alleviate abdominal symptoms or increased transfusion requirements?

    <p>Iron chelation therapy</p> Signup and view all the answers

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