Leukopenia Quiz
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Questions and Answers

What is the most common cause of acute lymphadenitis?

  • Bacterial infection (correct)
  • Parasitic infection
  • Fungal infection
  • Viral infection
  • Which disorder is characterized by a decrease in circulating neutrophils to a severe level of less than 500/mm?

  • Severe neutropenia (correct)
  • Neutrophilia
  • Leukocytosis
  • Agranulocytosis
  • What is the most common cause of autoimmune neutropenia?

  • Viral infection
  • Bacterial infection
  • Fungal infection
  • Neutrophil antibodies (correct)
  • Which syndrome is characterized by exocrine pancreatic insufficiency, bone marrow dysfunction, and skeletal abnormalities?

    <p>Shwachman-Diamond Syndrome</p> Signup and view all the answers

    What is the most common cause of eosinophilia?

    <p>Allergic reactions</p> Signup and view all the answers

    Which cell type contains histamines and heparin?

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

    What is the main function of B cells?

    <p>Responsible for humoral immunity</p> Signup and view all the answers

    What is the characteristic feature of toxic granulation in white cells?

    <p>Seen in severe infection/inflammatory states</p> Signup and view all the answers

    What is the primary function of neutrophils?

    <p>Immobilize or kill pathogens through releasing neutrophil extracellular traps (NETs)</p> Signup and view all the answers

    What is the characteristic feature of Dohle bodies in white cells?

    <p>Remnants of rough ER</p> Signup and view all the answers

    What is the most common cause of monocytosis?

    <p>Neoplastic lesions</p> Signup and view all the answers

    What is the characteristic feature of leukemoid reaction in white cells?

    <p>á immature cells, particularly more myelocytes than in left shift</p> Signup and view all the answers

    Which condition is characterized by a decrease in circulating neutrophils to a mild level of 1000-1500/mm?

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

    What is the characteristic feature of Chediak-Higashi Syndrome?

    <p>Recurrent bacterial infections and abnormal NK function</p> Signup and view all the answers

    What is the most common cause of eosinophilia?

    <p>Parasite infections</p> Signup and view all the answers

    Which disorder is characterized by a defect in bone marrow stroma and stem cells, exocrine pancreatic insufficiency, and skeletal abnormalities?

    <p>Shwachman-Diamond Syndrome</p> Signup and view all the answers

    What is the main function of basophils?

    <p>Contain histamines (vasodilation) and heparin (anticoagulant)</p> Signup and view all the answers

    What is the characteristic feature of Dohle bodies in white cells?

    <p>Remnants of Rough ER</p> Signup and view all the answers

    What is the primary function of T cells?

    <p>Mature in thymus and responsible for cell-mediated immunity</p> Signup and view all the answers

    What is the most common cause of monocytosis?

    <p>Neoplastic lesions especially myeloproliferative disorders</p> Signup and view all the answers

    What is the characteristic feature of toxic granulation in white cells?

    <p>Seen in severe infection/inflammatory states</p> Signup and view all the answers

    What is the primary function of B cells?

    <p>Responsible for humoral immunity</p> Signup and view all the answers

    What is the characteristic feature of leukemoid reaction in white cells?

    <p>á immature cells, particularly more myelocytes than in left shift</p> Signup and view all the answers

    What is the most common cause of acute lymphadenitis?

    <p>Bacterial infection</p> Signup and view all the answers

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