Neutrophils
35 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of granules in neutrophils contain proteinases, acid phosphatase, myeloperoxidase, and β-glucuronidase?

  • Toxic granulation
  • Specific granules
  • Azurophilic granules (correct)
  • Döhle bodies
  • What causes neutrophilia and changes in neutrophil morphology?

  • Myelofibrosis, metastasis
  • Inflammation, CML
  • Vitamin B12/folate deficiency
  • Bacterial infection (correct)
  • What is the term used to describe the presence of neutrophil precursors like band cells and metamyelocytes in peripheral blood?

  • Döhle bodies
  • Left shift (correct)
  • Toxic granulation
  • Leukoerythroblastic reaction
  • What is the term used to describe the dark blue, coarse granules seen in neutrophils?

    <p>Toxic granulation</p> Signup and view all the answers

    What is the term used to describe the light blue, peripheral inclusions seen in neutrophils?

    <p>Döhle bodies</p> Signup and view all the answers

    Which of the following is NOT a neutrophil chemotactic agent?

    <p>C6</p> Signup and view all the answers

    What is the term used to describe neutrophils with a nucleus that has 6+ lobes?

    <p>Hypersegmented neutrophils</p> Signup and view all the answers

    What does a left shift in peripheral blood suggest?

    <p>Inflammation, CML</p> Signup and view all the answers

    What does a leukoerythroblastic reaction suggest?

    <p>Bone marrow infiltration</p> Signup and view all the answers

    Which of the following is the primary source of energy for erythrocytes?

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

    What is the average lifespan of erythrocytes in healthy adults?

    <p>90-120 days</p> Signup and view all the answers

    What is the term used to describe the condition of having an increased RBCs?

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

    What does the presence of varying shapes of erythrocytes indicate?

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

    Which of the following is true about thrombocytes (platelets)?

    <p>They have a life span of 8-10 days.</p> Signup and view all the answers

    Which of the following is a function of thrombocytes (platelets)?

    <p>Form platelet plug.</p> Signup and view all the answers

    Where is approximately 1/3 of the platelet pool stored?

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

    Which receptor is responsible for vWF binding on thrombocytes (platelets)?

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

    Which of the following is a component of thrombocytes (platelets) alpha granules?

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

    Which of the following is a characteristic of monocytes?

    <p>Extensive cytoplasm</p> Signup and view all the answers

    Where do monocytes differentiate into macrophages?

    <p>In the tissues</p> Signup and view all the answers

    What does the term 'mono' in monocytes refer to?

    <p>One nucleus</p> Signup and view all the answers

    Which of the following is true about macrophages?

    <p>They differentiate from circulating blood monocytes</p> Signup and view all the answers

    Which of the following is a function of macrophages?

    <p>Presenting antigens via MHC II</p> Signup and view all the answers

    Where are macrophages an important cellular component?

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

    What initiates septic shock by binding to macrophages?

    <p>Lipid A from bacterial LPS</p> Signup and view all the answers

    Which molecule from bacterial LPS binds to CD14 on macrophages?

    <p>Lipid A</p> Signup and view all the answers

    What is the role of CD14 in the initiation of septic shock?

    <p>It binds to Lipid A on macrophages</p> Signup and view all the answers

    Which immune cells are primarily targeted by Lipid A from bacterial LPS?

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

    Which cells function as a link between the innate and adaptive immune systems?

    <p>Dendritic cells</p> Signup and view all the answers

    Which receptors are expressed on the surface of dendritic cells?

    <p>MHC class II and Fc receptors</p> Signup and view all the answers

    What is the term used to describe the presentation of exogenous antigens on MHC class I by dendritic cells?

    <p>Cross-presentation</p> Signup and view all the answers

    Which of the following is a function of eosinophils?

    <p>Phagocytosis of antigen-antibody complexes</p> Signup and view all the answers

    What is the major basic protein (MBP) produced by eosinophils?

    <p>Eosinophil-derived neurotoxin</p> Signup and view all the answers

    What is the cause of eosinophilia known as PACMAN Eats?

    <p>Myeloproliferative disorders</p> Signup and view all the answers

    What does eosinophilic granulomatosis with polyangiitis cause?

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

    More Like This

    Use Quizgecko on...
    Browser
    Browser