Questions and Answers
What percentage of total Hb is represented by A-97% in a 6-12 month old?
97%
What is the effect of 7lcvanosis on Hb?
Decreased Hb by 3.5
What is the primary site of iron absorption?
Duodenum
Which of the following is not a cause of microcytic hypochromic anemia?
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What is the characteristic laboratory finding in iron deficiency anemia?
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What is a common clinical manifestation of iron deficiency anemia?
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Which of the following is an immune cause of anemia?
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What type of anemia is caused by lead poisoning?
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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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