Hematology Quiz

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Questions and Answers

What percentage of total Hb is represented by A-97% in a 6-12 month old?

  • 97% (correct)
  • 70%
  • 50%
  • 30%

What is the effect of 7lcvanosis on Hb?

  • Increased Hb
  • Decreased Hb by 3.5 (correct)
  • Hb becomes abnormal
  • No change in Hb

What is the primary site of iron absorption?

  • Spleen
  • Stomach
  • Liver
  • Duodenum (correct)

Which of the following is not a cause of microcytic hypochromic anemia?

<p>Aplastic anemia (C)</p> Signup and view all the answers

What is the characteristic laboratory finding in iron deficiency anemia?

<p>Decreased level of serum iron (D)</p> Signup and view all the answers

What is a common clinical manifestation of iron deficiency anemia?

<p>Pica (B)</p> Signup and view all the answers

Which of the following is an immune cause of anemia?

<p>ABO incompatibility (B)</p> Signup and view all the answers

What type of anemia is caused by lead poisoning?

<p>Microcytic hypochromic (C)</p> Signup and view all the answers

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Study Notes

Anemia

  • In 6-12 month olds, Hb is approximately 97%.

Hemolytic Anemia

  • Conjugated hyperbilirubinemia is not related to hemolytic anemia.
  • Hemolytic anemia is associated with a 3.5% reduction in Hb.

Microcytic Anemia

  • Causes of microcytic anemia include:
    • Aplastic anemia
    • Folic acid deficiency
    • Acute blood loss
    • Malignancy
    • Iron deficiency anemia (IDA)
  • IDA is a type of microcytic hypochromic anemia.

Iron Deficiency Anemia

  • Laboratory findings in iron deficiency anemia include:
    • Anemia is microcytic hypochromic
    • Decreased level of serum iron
    • Increased level of iron binding capacity
  • Clinical manifestations of iron deficiency anemia include:
    • Pica
    • Bleeding
    • Polyphagia
    • Huge splenomegaly
    • Jaundice

Immune Causes of Anemia

  • Examples of immune causes of anemia include:
    • ABO incompatibility
    • G6PD deficiency
    • Hypersplenism
    • Pure red cell anemia

Hemoglobin F

  • At birth, Hemoglobin F represents 70% of total Hb.

Lead Poisoning

  • The type of anemia in case of lead poisoning is microcytic hypochromic.

Laboratory Diagnosis of Iron Deficiency Anemia

  • Laboratory diagnosis of iron deficiency anemia does not include reticulocytosis count.

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