Hematology Abnormalities Quiz
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Questions and Answers

What does an increased mean corpuscular volume (MCV) indicate in blood cells?

  • Decreased size of red blood cells
  • No impact on red blood cell size
  • Increased size of red blood cells (correct)
  • Normal size of red blood cells
  • What is the typical range of normal adult hemoglobin (HbA) in the body?

  • 80%-85%
  • 90%-95%
  • 95%-98% (correct)
  • 60%-70%
  • What is the likely red cell condition when the hematocrit (HCT) reflects a decrease due to enlarged red cell size?

  • Anisocytosis (correct)
  • Leukopenia
  • Neutropenia
  • Thalassemia
  • Which characteristic is NOT typically found on a peripheral blood smear in the condition described?

    <p>Presence of small platelets</p> Signup and view all the answers

    Which component is typically increased in 90% of cases with the condition described?

    <p>Mean corpuscular hemoglobin (MCH)</p> Signup and view all the answers

    What is the major difference between quantitative and qualitative defects in hemoglobinopathy?

    <p>Quantitative defects result in reduced hemoglobin levels, while qualitative defects affect the hemoglobin structure.</p> Signup and view all the answers

    What is the primary cause of Hemoglobinopathy?

    <p>Inherited or genetic defect related to hemoglobin</p> Signup and view all the answers

    What is the normal percentage of HbA (azẞ2) in normal adult hemoglobin?

    <p>95%-98%</p> Signup and view all the answers

    Which type of Hemoglobinopathy results in a structural abnormality of the hemoglobin molecule?

    <p>Qualitative defect</p> Signup and view all the answers

    What is the condition of a person who has only one affected gene in Hemoglobinopathy?

    <p>Trait condition</p> Signup and view all the answers

    Which of the following is NOT a syndrome associated with Hemoglobinopathy?

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

    What is the primary characteristic of Beta Thalassemia Minor?

    <p>Only one allele is affected</p> Signup and view all the answers

    What is the typical percentage of HbA₂ (α262) in normal adult hemoglobin?

    <p>2-3%</p> Signup and view all the answers

    Which type of Hemoglobinopathy results in a deficiency in the synthesis of normal adult hemoglobin?

    <p>Quantitative defect</p> Signup and view all the answers

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