Hematology: Polycythemia Classification
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Questions and Answers

What is the reason to avoid excessive bleeding during surgery for a patient with anemia?

  • To reduce pain
  • Due to the patient's anemic condition (correct)
  • To prevent delayed wound healing
  • To prevent infection

Which of the following findings is characteristic of Heterozygous Thalassemia Minor?

  • Hemoglobin A in significant amounts on electrophoresis (correct)
  • Elevated serum ferritin levels
  • Presence of iron deficiency anemia
  • Macrocytic normochromic anemia

What is the effect of Glucose 6 Phosphate Dehydrogenase (G6PD) deficiency on red blood cells?

  • Higher resistance to oxidant compounds
  • Reduced life span and susceptibility to hemolysis (correct)
  • Increased glutathione production
  • Enhanced ability to manufacture reducing agents

Why should Glucose 6 Phosphate Dehydrogenase (G6PD) deficient patients avoid metabolic acidosis during general anesthesia?

<p>To avoid hemolysis (C)</p> Signup and view all the answers

In what circumstances can Heterozygous Thalassemia Minor become symptomatic?

<p>During pregnancy or intercurrent illness (B)</p> Signup and view all the answers

What happens when red blood cells lack Glucose 6 Phosphate Dehydrogenase (G6PD) in the presence of oxidant compounds?

<p>Hemolysis due to denatured hemoglobin (A)</p> Signup and view all the answers

What is the main difference between relative polycythemia and absolute polycythemia?

<p>Decreased plasma volume in absolute polycythemia. (A)</p> Signup and view all the answers

Which condition is associated with a purplish red color of the face, neck, ears, hands, and feet?

<p>Endogenous androgen administration (B)</p> Signup and view all the answers

Which condition is characterized by an increase in red cell count, Hb, and packed cell volume?

<p>Polycythemia (D)</p> Signup and view all the answers

What is a common complication of polycythemia vera related to platelets dysfunction and increased blood viscosity?

<p>Hemorrhage (A)</p> Signup and view all the answers

What is the most common primary form of absolute polycythemia?

<p>Idiopathic Polycythemia Rubra Vera (C)</p> Signup and view all the answers

What is a characteristic feature of Idiopathic Polycythemia Rubra Vera?

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

Which treatment for polycythemia vera involves reducing the red cell mass and blood viscosity?

<p>Venesection (phlebotomy) (C)</p> Signup and view all the answers

What is a notable clinical feature of polycythemia vera in the oral mucosa?

<p>Prominent sublingual varices (C)</p> Signup and view all the answers

In which condition does blood transfusion play a lifesaving role?

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

Which complication of polycythemia vera may lead to the progression of acute leukemia or myelofibrosis?

<p>Thrombosis (A)</p> Signup and view all the answers

What causes Secondary Polycythemia (Erythrocytosis) according to the text?

<p>Increased erythropoietin hormone due to low oxygen concentration (B)</p> Signup and view all the answers

What oral problem may occur in polycythemia vera due to infarcts in smaller vessels?

<p>Multiple oral mucosal ulcers (A)</p> Signup and view all the answers

Which lymphoma is characterized by painless lymphadenopathy?

<p>Follicular Lymphoma (C)</p> Signup and view all the answers

What is the main concern with Burkitt's lymphoma due to its rapid growth?

<p>Obstruction of airway, alimentary canal, and vasculature (A)</p> Signup and view all the answers

What is a common oral manifestation of endemic Burkitt lymphoma?

<p>Jaw or facial mass in the posterior region (C)</p> Signup and view all the answers

In which population is endemic Burkitt lymphoma predominantly seen?

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

What type of lesion does Burkitt's lymphoma produce radiographically?

<p>Osteolytic lesion with poorly demarcated margins (B)</p> Signup and view all the answers

What is the most common lymphoma of childhood?

<p>Burkitt's Lymphoma (B)</p> Signup and view all the answers

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